nextjs-app/__tests__/components/CompareOfsted.test.tsx

@@ -0,0 +1,98 @@
+import { render, screen } from '@testing-library/react';
+
+import { CompareOfsted } from '@/components/compare/CompareOfsted';
+import type { ComparisonData, OfstedInspection, School } from '@/lib/types';
+
+function school(urn: number, name: string): School {
+  return { urn, school_name: name } as School;
+}
+
+function ofsted(partial: Partial<OfstedInspection>): OfstedInspection {
+  return {
+    framework: null,
+    inspection_date: '2021-10-07',
+    inspection_type: null,
+    overall_effectiveness: null,
+    quality_of_education: null,
+    behaviour_attitudes: null,
+    personal_development: null,
+    leadership_management: null,
+    early_years_provision: null,
+    previous_overall: null,
+    rc_safeguarding_met: null,
+    rc_inclusion: null,
+    rc_curriculum_teaching: null,
+    rc_achievement: null,
+    rc_attendance_behaviour: null,
+    rc_personal_development: null,
+    rc_leadership_governance: null,
+    rc_early_years: null,
+    rc_sixth_form: null,
+    ofsted_page_url: 'https://reports.ofsted.gov.uk/provider/21/1',
+    ...partial,
+  };
+}
+
+const schools = [school(1, 'Graded School'), school(2, 'Carried School'), school(3, 'Card School')];
+
+const data: Record<string, ComparisonData> = {
+  '1': {
+    school_info: schools[0],
+    yearly_data: [],
+    ofsted: ofsted({ overall_effectiveness: 1, grade_source: 'graded' }),
+  },
+  '2': {
+    school_info: schools[1],
+    yearly_data: [],
+    ofsted: ofsted({ overall_effectiveness: 2, grade_source: 'ungraded_carried_forward' }),
+  },
+  '3': {
+    school_info: schools[2],
+    yearly_data: [],
+    ofsted: ofsted({
+      inspection_date: '2025-11-14',
+      rc_safeguarding_met: true,
+      report_card: {
+        rc_achievement: { code: 2, label: 'Strong standard' },
+        rc_attendance_behaviour: { code: 4, label: 'Needs attention' },
+      },
+    }),
+  },
+};
+
+describe('CompareOfsted', () => {
+  it('renders the three regimes without inventing an overall grade for report cards', () => {
+    render(<CompareOfsted schools={schools} data={data} />);
+
+    expect(screen.getByText('Outstanding')).toBeInTheDocument();
+    // Carried-forward grade is shown but marked as such
+    expect(screen.getByText('Good')).toBeInTheDocument();
+    expect(screen.getByText(/carried forward/i)).toBeInTheDocument();
+    // Report card: label present, no overall-grade badge for that school
+    expect(screen.getByText('Report card')).toBeInTheDocument();
+    expect(screen.getByText(/no overall grade/i)).toBeInTheDocument();
+  });
+
+  it('uses one chip-list grammar for both regimes in judgement detail', () => {
+    render(<CompareOfsted schools={schools} data={data} />);
+    // report-card area chip
+    expect(screen.getByText('Attendance & behaviour')).toBeInTheDocument();
+    expect(screen.getByText('Needs attention')).toBeInTheDocument();
+    // graded school without published subgrades → honest dataset statement
+    expect(
+      screen.getAllByText(/We don't hold area-by-area detail/i).length,
+    ).toBeGreaterThanOrEqual(1);
+  });
+
+  it('shows the mixed-regime comparability note only when regimes differ', () => {
+    render(<CompareOfsted schools={schools} data={data} />);
+    expect(screen.getByText(/aren't directly comparable/i)).toBeInTheDocument();
+  });
+
+  it('links every school to its Ofsted page', () => {
+    render(<CompareOfsted schools={schools} data={data} />);
+    const links = screen.getAllByRole('link', { name: /Ofsted page/i });
+    expect(links).toHaveLength(3);
+    expect(links[0]).toHaveAttribute('href', 'https://reports.ofsted.gov.uk/provider/21/1');
+  });
+});

nextjs-app/components/compare/CompareAdmissions.tsx

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+/**
+ * Getting a place — admissions framed the way the expert review requires:
+ * total applications are "named on N forms" (any preference rank, not
+ * head-to-head), one consistent chip metric (first-preference success),
+ * equal-preference and offers-vs-intake explanations up front.
+ */
+
+'use client';
+
+import { summariseAdmissions } from '@/lib/compareLogic';
+import type { ComparisonData, School } from '@/lib/types';
+import { CHART_COLORS } from '@/lib/utils';
+import { Cell, Chip, RowLabel, Section, SectionGrid, sectionStyles as s } from './sectionShared';
+
+export function CompareAdmissions({
+  schools,
+  data,
+}: {
+  schools: School[];
+  data: Record<string, ComparisonData>;
+}) {
+  const rows = schools.map((school) => data[String(school.urn)]?.admissions ?? null);
+  const anyData = rows.some(Boolean);
+  const entryYear = rows.find(Boolean)?.year;
+  const entryLabel = entryYear
+    ? `September ${String(entryYear).slice(0, 4)} entry`
+    : 'the most recent admissions round';
+
+  if (!anyData) {
+    return (
+      <Section title="Getting a place" how="No admissions data is available for these schools yet.">
+        <></>
+      </Section>
+    );
+  }
+
+  return (
+    <Section
+      title="Getting a place"
+      how={
+        <>
+          From the most recent admissions round ({entryLabel}). &quot;First choice&quot; means
+          families who ranked the school top of their application form — officially a &quot;first
+          preference&quot;. Schools never see your ranking: places are decided only by the
+          school&apos;s admission criteria, so listing a school lower down never hurts your chances.
+          These are National Offer Day offers — waiting lists and appeals can change the final
+          intake.
+        </>
+      }
+    >
+      <SectionGrid schools={schools}>
+        <RowLabel tip="How many application forms named the school at any preference rank — not the number of families competing head-to-head for a place.">
+          Interest in the school
+        </RowLabel>
+        {schools.map((school, i) => {
+          const a = rows[i];
+          return (
+            <Cell key={school.urn} school={school} index={i}>
+              {a?.total_applications != null && a?.places_offered != null ? (
+                <>
+                  Named on <strong>{a.total_applications.toLocaleString('en-GB')}</strong> forms ·{' '}
+                  <strong>{a.places_offered.toLocaleString('en-GB')}</strong> places
+                </>
+              ) : (
+                <span className={s.small}>No data</span>
+              )}
+            </Cell>
+          );
+        })}
+
+        <RowLabel>First-choice families offered a place</RowLabel>
+        {schools.map((school, i) => {
+          const summary = summariseAdmissions(rows[i]);
+          return (
+            <Cell key={school.urn} school={school} index={i}>
+              {summary.firstPrefPct != null ? (
+                <>
+                  <strong>{summary.firstPrefPct}%</strong>{' '}
+                  {summary.chip && summary.chip.tone === 'warn' && (
+                    <Chip tone="warn">{summary.chip.text}</Chip>
+                  )}
+                  <span className={s.barMini}>
+                    <i
+                      style={{
+                        width: `${summary.firstPrefPct}%`,
+                        background: CHART_COLORS[i % CHART_COLORS.length],
+                      }}
+                    />
+                  </span>
+                </>
+              ) : (
+                <span className={s.small}>No data</span>
+              )}
+            </Cell>
+          );
+        })}
+
+        <RowLabel>What this means</RowLabel>
+        {schools.map((school, i) => {
+          const a = rows[i];
+          const summary = summariseAdmissions(a);
+          let text: string | null = null;
+          if (summary.firstPrefPct != null) {
+            if (summary.firstPrefPct >= 100) {
+              text = `Every family who put ${school.school_name} first got a place.`;
+            } else if (summary.firstPrefPct >= 90) {
+              text = `Nearly every family who put ${school.school_name} first got a place.`;
+            } else if (a?.oversubscribed) {
+              text =
+                'More first-choice applications than places — check the school’s admission criteria (for most non-faith primaries, distance decides).';
+            } else {
+              text = `${summary.firstPrefPct}% of first-choice families received an offer.`;
+            }
+          }
+          return (
+            <Cell key={school.urn} school={school} index={i}>
+              {text ? <span className={s.small}>{text}</span> : <span className={s.small}>—</span>}
+            </Cell>
+          );
+        })}
+      </SectionGrid>
+    </Section>
+  );
+}

nextjs-app/components/compare/CompareAtAGlance.tsx

@@ -0,0 +1,180 @@
+/**
+ * At a glance — the short version of every section below it. Copy verbatim
+ * from the reviewed mockups. Report-card cells summarise by counting graded
+ * areas (best first) and always NAME problem areas; safeguarding is a
+ * separate line, never a count.
+ */
+
+'use client';
+
+import {
+  latestValues,
+  ofstedDisplay,
+  summariseAdmissions,
+  verdict,
+  type ReportCardSummary,
+} from '@/lib/compareLogic';
+import type { Benchmarks, ComparisonData, NationalAverages, School } from '@/lib/types';
+import { Cell, Chip, RowLabel, Section, SectionGrid, sectionStyles as s } from './sectionShared';
+
+function ReportCardChips({ summary }: { summary: ReportCardSummary }) {
+  return (
+    <>
+      <strong style={{ fontSize: '0.9rem' }}>Report card</strong>
+      <span className={s.chipStack}>
+        {summary.counts.map((c) => (
+          <Chip key={c.label} tone={c.label === 'Expected standard' ? 'neutral' : 'good'}>
+            {c.count} area{c.count === 1 ? '' : 's'} {c.label}
+          </Chip>
+        ))}
+        {summary.problems.map((p) => (
+          <Chip key={p.areaLabel} tone={p.label === 'Urgent improvement' ? 'bad' : 'warn'}>
+            {p.areaLabel}: {p.label}
+          </Chip>
+        ))}
+      </span>
+      <span className={s.small}>
+        {summary.allClear && 'No areas need attention · '}
+        {summary.safeguarding === 'met' && 'Safeguarding met'}
+        {summary.safeguarding === 'not_met' && 'Safeguarding not met'}
+      </span>
+    </>
+  );
+}
+
+export function CompareAtAGlance({
+  schools,
+  data,
+  nationalAverages,
+  benchmarks,
+}: {
+  schools: School[];
+  data: Record<string, ComparisonData>;
+  nationalAverages?: NationalAverages;
+  benchmarks?: Benchmarks;
+}) {
+  const urns = schools.map((school) => school.urn);
+  const isSecondary = schools.some(
+    (school) => data[String(school.urn)]?.school_info?.attainment_8_score != null,
+  );
+  const headlineKey = isSecondary ? 'attainment_8_score' : 'rwm_expected_pct';
+  const headlineValues = latestValues(data, urns, headlineKey);
+  const anchor = isSecondary
+    ? nationalAverages?.secondary?.attainment_8_score
+    : nationalAverages?.primary?.rwm_expected_pct;
+  const medianPupils = isSecondary
+    ? benchmarks?.secondary?.median_pupils
+    : benchmarks?.primary?.median_pupils;
+
+  return (
+    <Section title="At a glance" how="The short version — each row below is explained in its own section further down.">
+      <SectionGrid schools={schools}>
+        <RowLabel>Latest Ofsted inspection</RowLabel>
+        {schools.map((school, i) => {
+          const display = ofstedDisplay(data[String(school.urn)]?.ofsted);
+          return (
+            <Cell key={school.urn} school={school} index={i}>
+              {display.kind === 'report_card' && <ReportCardChips summary={display.summary} />}
+              {(display.kind === 'graded' || display.kind === 'carried_forward') && (
+                <>
+                  <span className={`${s.badge} ${display.grade <= 2 ? s.badgeGood : display.grade === 3 ? s.badgeWarn : s.badgeBad}`}>
+                    {display.gradeLabel}
+                  </span>
+                  {display.carriedForward && <span className={s.small}>Grade carried forward</span>}
+                </>
+              )}
+              {display.kind === 'none' && <span className={s.small}>No inspection in our dataset</span>}
+            </Cell>
+          );
+        })}
+
+        <RowLabel
+          tip={
+            isSecondary
+              ? 'Average Attainment 8 score across GCSE subjects (latest year).'
+              : '% of Year 6 pupils reaching the expected standard in reading, writing and maths (latest year).'
+          }
+        >
+          {isSecondary ? 'Attainment 8 score' : 'Children reaching the expected standard'}
+        </RowLabel>
+        {schools.map((school, i) => {
+          const value = headlineValues[i];
+          return (
+            <Cell key={school.urn} school={school} index={i}>
+              {value != null ? (
+                <>
+                  <span className={s.big}>{isSecondary ? value.toFixed(1) : `${Math.round(value)}%`}</span>{' '}
+                  {anchor != null && (
+                    <Chip
+                      tone={
+                        verdict(value, anchor) === 'above'
+                          ? 'good'
+                          : verdict(value, anchor) === 'below'
+                            ? 'warn'
+                            : 'neutral'
+                      }
+                    >
+                      {verdict(value, anchor) === 'above' && 'Above England average'}
+                      {verdict(value, anchor) === 'close' && 'Close to England average'}
+                      {verdict(value, anchor) === 'below' && 'Below England average'}
+                    </Chip>
+                  )}
+                  {anchor != null && (
+                    <span className={s.small}>
+                      England average {isSecondary ? anchor.toFixed(1) : `${Math.round(anchor)}%`}
+                    </span>
+                  )}
+                </>
+              ) : (
+                <span className={s.small}>No data</span>
+              )}
+            </Cell>
+          );
+        })}
+
+        <RowLabel>Getting a place</RowLabel>
+        {schools.map((school, i) => {
+          const summary = summariseAdmissions(data[String(school.urn)]?.admissions);
+          return (
+            <Cell key={school.urn} school={school} index={i}>
+              {summary.chip ? (
+                <>
+                  <Chip tone={summary.chip.tone}>{summary.chip.text}</Chip>
+                  {summary.interest && <span className={s.small}>{summary.interest}</span>}
+                </>
+              ) : (
+                <span className={s.small}>No admissions data</span>
+              )}
+            </Cell>
+          );
+        })}
+
+        <RowLabel>Size</RowLabel>
+        {schools.map((school, i) => {
+          const census = data[String(school.urn)]?.census;
+          const pupils = census?.total_pupils ?? school.total_pupils ?? null;
+          let sizeNote: string | null = null;
+          if (pupils != null && medianPupils != null) {
+            if (pupils >= medianPupils * 1.5) sizeNote = 'Much larger than average';
+            else if (pupils >= medianPupils * 1.1) sizeNote = 'Larger than average';
+            else if (pupils <= medianPupils * 0.66) sizeNote = 'Much smaller than average';
+            else if (pupils <= medianPupils * 0.9) sizeNote = 'Smaller than average';
+            else sizeNote = 'About average size';
+          }
+          return (
+            <Cell key={school.urn} school={school} index={i}>
+              {pupils != null ? (
+                <>
+                  {pupils.toLocaleString('en-GB')} pupils
+                  {sizeNote && <span className={s.small}>{sizeNote}</span>}
+                </>
+              ) : (
+                <span className={s.small}>No data</span>
+              )}
+            </Cell>
+          );
+        })}
+      </SectionGrid>
+    </Section>
+  );
+}

nextjs-app/components/compare/CompareCommunity.tsx

@@ -0,0 +1,183 @@
+/**
+ * Who goes there — the school's community from the latest census plus GIAS
+ * facts. Benchmark chips use the computed state-school averages and must
+ * carry their provenance wording (never "England average" for computed
+ * figures). Copy verbatim from the reviewed mockups.
+ */
+
+'use client';
+
+import { verdict } from '@/lib/compareLogic';
+import type { Benchmarks, ComparisonData, School } from '@/lib/types';
+import { Cell, Chip, RowLabel, Section, SectionGrid, sectionStyles as s } from './sectionShared';
+
+function pctSplit(part: number | null | undefined, total: number | null | undefined): string | null {
+  if (part == null || total == null || total === 0) return null;
+  return `${Math.round((part / total) * 100)}%`;
+}
+
+export function CompareCommunity({
+  schools,
+  data,
+  benchmarks,
+}: {
+  schools: School[];
+  data: Record<string, ComparisonData>;
+  benchmarks?: Benchmarks;
+}) {
+  const isSecondary = schools.some(
+    (school) => data[String(school.urn)]?.school_info?.attainment_8_score != null,
+  );
+  const bench = isSecondary ? benchmarks?.secondary : benchmarks?.primary;
+
+  const fsmChip = (value: number | null) => {
+    if (value == null || bench?.disadvantaged_pct == null) return null;
+    const v = verdict(value, bench.disadvantaged_pct, 3);
+    return (
+      <Chip tone="neutral">
+        {v === 'above' && 'Above the state-school average'}
+        {v === 'close' && 'About the state-school average'}
+        {v === 'below' && 'Below the state-school average'}
+      </Chip>
+    );
+  };
+
+  return (
+    <Section
+      title="Who goes there"
+      how="The school's community, from the latest school census. State-school averages are computed from our dataset and shown for context — there's no “right” number here."
+    >
+      <SectionGrid schools={schools}>
+        <RowLabel>Pupils on roll</RowLabel>
+        {schools.map((school, i) => {
+          const info = data[String(school.urn)]?.school_info as (School & { gias_total_pupils?: number | null; capacity?: number | null }) | undefined;
+          const census = data[String(school.urn)]?.census;
+          const pupils = census?.total_pupils ?? info?.gias_total_pupils ?? null;
+          const capacity = info?.capacity ?? null;
+          let capNote: string | null = null;
+          if (pupils != null && capacity != null && capacity > 0) {
+            capNote =
+              pupils >= capacity
+                ? `${capacity.toLocaleString('en-GB')} places — at or above capacity`
+                : `of ${capacity.toLocaleString('en-GB')} places (${Math.round((pupils / capacity) * 100)}% full)`;
+          }
+          return (
+            <Cell key={school.urn} school={school} index={i}>
+              {pupils != null ? (
+                <>
+                  {pupils.toLocaleString('en-GB')}
+                  {capNote && <span className={s.small}>{capNote}</span>}
+                </>
+              ) : (
+                <span className={s.small}>No data</span>
+              )}
+            </Cell>
+          );
+        })}
+
+        <RowLabel>Girls / boys</RowLabel>
+        {schools.map((school, i) => {
+          const census = data[String(school.urn)]?.census;
+          const girls = pctSplit(census?.female_pupils, census?.total_pupils);
+          const boys = pctSplit(census?.male_pupils, census?.total_pupils);
+          return (
+            <Cell key={school.urn} school={school} index={i}>
+              {girls && boys ? `${girls} / ${boys}` : <span className={s.small}>No data</span>}
+            </Cell>
+          );
+        })}
+
+        <RowLabel tip="% of pupils eligible for free school meals — a common measure of how many pupils come from lower-income families. Benchmark computed across state schools in our dataset.">
+          Free school meals
+        </RowLabel>
+        {schools.map((school, i) => {
+          const fsm = data[String(school.urn)]?.census?.fsm_pct ?? null;
+          return (
+            <Cell key={school.urn} school={school} index={i}>
+              {fsm != null ? (
+                <>
+                  {Math.round(fsm)}% {fsmChip(fsm)}
+                </>
+              ) : (
+                <span className={s.small}>No data</span>
+              )}
+            </Cell>
+          );
+        })}
+
+        <RowLabel tip="% of pupils whose first language is known or believed to be other than English. State-school average computed from our dataset.">
+          English as an additional language
+        </RowLabel>
+        {schools.map((school, i) => {
+          const eal = data[String(school.urn)]?.census?.eal_pct ?? null;
+          return (
+            <Cell key={school.urn} school={school} index={i}>
+              {eal != null ? `${Math.round(eal)}%` : <span className={s.small}>No data</span>}
+            </Cell>
+          );
+        })}
+
+        <RowLabel tip="% of pupils receiving SEN support (not including EHC plans). A high figure can mean the school hosts specialist provision — often a strength, not a warning sign. State-school average computed from our dataset.">
+          Extra learning support (SEN)
+        </RowLabel>
+        {schools.map((school, i) => {
+          const rows = data[String(school.urn)]?.yearly_data ?? [];
+          let sen: number | null = null;
+          for (let r = rows.length - 1; r >= 0; r--) {
+            if (rows[r].sen_support_pct != null) {
+              sen = rows[r].sen_support_pct;
+              break;
+            }
+          }
+          const high =
+            sen != null && bench?.sen_support_pct != null && sen >= bench.sen_support_pct * 1.75;
+          return (
+            <Cell key={school.urn} school={school} index={i}>
+              {sen != null ? (
+                <>
+                  {Math.round(sen)}% {high && <Chip tone="neutral">Well above average</Chip>}
+                </>
+              ) : (
+                <span className={s.small}>No data</span>
+              )}
+            </Cell>
+          );
+        })}
+
+        <RowLabel>Faith character</RowLabel>
+        {schools.map((school, i) => {
+          const info = data[String(school.urn)]?.school_info;
+          const faith = info?.religious_denomination;
+          const none = !faith || faith === 'Does not apply' || faith === 'None';
+          return (
+            <Cell key={school.urn} school={school} index={i}>
+              {none ? 'None' : faith}
+            </Cell>
+          );
+        })}
+
+        <RowLabel>Ages</RowLabel>
+        {schools.map((school, i) => {
+          const info = data[String(school.urn)]?.school_info;
+          return (
+            <Cell key={school.urn} school={school} index={i}>
+              {info?.age_range || <span className={s.small}>No data</span>}
+            </Cell>
+          );
+        })}
+
+        <RowLabel>Run by</RowLabel>
+        {schools.map((school, i) => {
+          const info = data[String(school.urn)]?.school_info;
+          const trust = info?.trust_name;
+          const la = info?.local_authority ?? school.local_authority;
+          return (
+            <Cell key={school.urn} school={school} index={i}>
+              {trust ? trust : la ? `${la} council` : <span className={s.small}>No data</span>}
+            </Cell>
+          );
+        })}
+      </SectionGrid>
+    </Section>
+  );
+}

nextjs-app/components/compare/CompareOfsted.tsx

@@ -0,0 +1,217 @@
+/**
+ * Ofsted section — one visual grammar for inspection detail across all
+ * three regimes (legacy graded, interim carried-forward, renewed-framework
+ * report card). Copy comes verbatim from the reviewed mockups.
+ */
+
+'use client';
+
+import {
+  OFSTED_LEGACY_GRADES,
+  ofstedDisplay,
+  rcAreaLabel,
+  type OfstedDisplay,
+} from '@/lib/compareLogic';
+import type { ComparisonData, OfstedInspection, School } from '@/lib/types';
+import { Cell, Chip, RowLabel, Section, SectionGrid, sectionStyles as s } from './sectionShared';
+
+const GRADE_TONE: Record<number, 'good' | 'warn' | 'bad'> = {
+  1: 'good',
+  2: 'good',
+  3: 'warn',
+  4: 'bad',
+};
+
+const RC_CODE_TONE = (code: number): 'good' | 'warn' | 'bad' | 'neutral' =>
+  code <= 2 ? 'good' : code === 3 ? 'neutral' : code === 4 ? 'warn' : 'bad';
+
+function formatInspectionDate(iso: string | null): string {
+  if (!iso) return '—';
+  const d = new Date(iso);
+  if (Number.isNaN(d.getTime())) return '—';
+  return d.toLocaleDateString('en-GB', { day: 'numeric', month: 'short', year: 'numeric' });
+}
+
+function yearsSince(iso: string | null): number | null {
+  if (!iso) return null;
+  const d = new Date(iso);
+  if (Number.isNaN(d.getTime())) return null;
+  return (Date.now() - d.getTime()) / (365.25 * 24 * 3600 * 1000);
+}
+
+function ResultCell({ display }: { display: OfstedDisplay }) {
+  if (display.kind === 'none') {
+    return <span className={s.small}>No inspection outcome in our dataset</span>;
+  }
+  if (display.kind === 'report_card') {
+    return (
+      <>
+        <strong style={{ fontSize: '0.9rem' }}>Report card</strong>
+        <span className={s.small}>New-style inspection — no overall grade is given</span>
+      </>
+    );
+  }
+  return (
+    <>
+      <span className={`${s.badge} ${display.grade <= 2 ? s.badgeGood : display.grade === 3 ? s.badgeWarn : s.badgeBad}`}>
+        {display.gradeLabel}
+      </span>
+      <span className={s.small}>
+        {display.carriedForward
+          ? 'Grade carried forward from an earlier inspection (ungraded visit since)'
+          : 'Overall grade (older-style inspection)'}
+      </span>
+    </>
+  );
+}
+
+function JudgementDetailCell({
+  ofsted,
+  display,
+  schoolName,
+}: {
+  ofsted: OfstedInspection;
+  display: OfstedDisplay;
+  schoolName: string;
+}) {
+  if (display.kind === 'report_card') {
+    const entries = Object.entries(ofsted.report_card ?? {});
+    return (
+      <div className={s.rcList}>
+        {entries.map(([key, entry]) => (
+          <div key={key} className={s.rcRow}>
+            <span className={s.rcArea}>{rcAreaLabel(key)}</span>
+            <Chip tone={RC_CODE_TONE(entry.code)}>{entry.label}</Chip>
+          </div>
+        ))}
+        {ofsted.rc_safeguarding_met != null && (
+          <div className={s.rcRow}>
+            <span className={s.rcArea}>Safeguarding</span>
+            <Chip tone={ofsted.rc_safeguarding_met ? 'good' : 'bad'}>
+              {ofsted.rc_safeguarding_met ? 'Met' : 'Not met'}
+            </Chip>
+          </div>
+        )}
+      </div>
+    );
+  }
+
+  const legacyAreas: Array<[string, number | null]> = [
+    ['Quality of education', ofsted.quality_of_education],
+    ['Behaviour & attitudes', ofsted.behaviour_attitudes],
+    ['Personal development', ofsted.personal_development],
+    ['Leadership & management', ofsted.leadership_management],
+    ['Early years provision', ofsted.early_years_provision],
+  ];
+  const published = legacyAreas.filter(([, grade]) => grade != null);
+
+  if (published.length === 0) {
+    return (
+      <span className={s.small}>
+        We don&apos;t hold area-by-area detail for this inspection — see {schoolName}&apos;s
+        Ofsted page for the full report.
+      </span>
+    );
+  }
+  return (
+    <div className={s.rcList}>
+      {published.map(([label, grade]) => (
+        <div key={label} className={s.rcRow}>
+          <span className={s.rcArea}>{label}</span>
+          <Chip tone={GRADE_TONE[grade as number] ?? 'neutral'}>
+            {OFSTED_LEGACY_GRADES[grade as number] ?? String(grade)}
+          </Chip>
+        </div>
+      ))}
+    </div>
+  );
+}
+
+export function CompareOfsted({
+  schools,
+  data,
+}: {
+  schools: School[];
+  data: Record<string, ComparisonData>;
+}) {
+  const displays = schools.map((school) => ofstedDisplay(data[String(school.urn)]?.ofsted));
+  const kinds = new Set(displays.map((d) => d.kind).filter((k) => k !== 'none'));
+  const mixedRegimes = kinds.size > 1;
+
+  return (
+    <Section
+      title="Ofsted inspection"
+      how={
+        <>
+          Ofsted is the schools inspectorate. It stopped giving a single overall grade in{' '}
+          <strong>September 2024</strong>; inspections between then and November 2025 kept the
+          area-by-area judgements without an overall grade, and from <strong>November 2025</strong>{' '}
+          new inspections produce a <strong>report card</strong> rating each area of school life on
+          a five-point scale.
+          {mixedRegimes && (
+            <> A report card and an older overall grade aren&apos;t directly comparable.</>
+          )}{' '}
+          (Ofsted&apos;s &quot;Expected standard&quot; rating is unrelated to the KS2 &quot;expected
+          standard&quot; test measure further down this page.)
+        </>
+      }
+    >
+      <SectionGrid schools={schools}>
+        <RowLabel>Result</RowLabel>
+        {schools.map((school, i) => (
+          <Cell key={school.urn} school={school} index={i}>
+            <ResultCell display={displays[i]} />
+          </Cell>
+        ))}
+
+        <RowLabel>Inspected</RowLabel>
+        {schools.map((school, i) => {
+          const ofsted = data[String(school.urn)]?.ofsted;
+          const age = yearsSince(ofsted?.inspection_date ?? null);
+          return (
+            <Cell key={school.urn} school={school} index={i}>
+              {formatInspectionDate(ofsted?.inspection_date ?? null)}{' '}
+              {age != null && age > 4 && <Chip tone="neutral">4+ years ago</Chip>}
+            </Cell>
+          );
+        })}
+
+        <RowLabel tip="Older-style inspections: one rating per judgement area, where published. New-style inspections: the full report card, one rating per area of school life.">
+          Judgement detail
+        </RowLabel>
+        {schools.map((school, i) => {
+          const ofsted = data[String(school.urn)]?.ofsted;
+          return (
+            <Cell key={school.urn} school={school} index={i}>
+              {ofsted ? (
+                <JudgementDetailCell
+                  ofsted={ofsted}
+                  display={displays[i]}
+                  schoolName={school.school_name}
+                />
+              ) : (
+                <span className={s.small}>No inspection in our dataset</span>
+              )}
+            </Cell>
+          );
+        })}
+
+        <RowLabel tip="Links to the school's page on ofsted.gov.uk, where all its inspection reports are listed.">
+          Ofsted page
+        </RowLabel>
+        {schools.map((school, i) => {
+          const url =
+            data[String(school.urn)]?.ofsted?.ofsted_page_url ??
+            `https://reports.ofsted.gov.uk/provider/21/${school.urn}`;
+          return (
+            <Cell key={school.urn} school={school} index={i}>
+              <a className={s.link} href={url} target="_blank" rel="noopener noreferrer">
+                {school.school_name}&apos;s Ofsted page →
+              </a>
+            </Cell>
+          );
+        })}
+      </SectionGrid>
+    </Section>
+  );
+}

nextjs-app/components/compare/compareSections.module.css

@@ -0,0 +1,216 @@
+/* Shared layout for the compare screen's measure-first sections.
+   Mobile base: each row-label becomes a measure header and each school cell
+   stacks under it (colour-coded via the cell's ::before school tag).
+   Desktop (≥761px): the mockups' grid — 200px row-label column + one column
+   per school (2–4 columns supported via --school-count). */
+
+.section {
+  margin-top: 3rem;
+}
+
+.sectionTitle {
+  font-family: var(--font-playfair), 'Playfair Display', Georgia, serif;
+  font-size: 1.45rem;
+  font-weight: 700;
+  margin: 0;
+  padding-left: 0.75rem;
+  border-left: 3px solid var(--accent-coral-dark);
+}
+
+.how {
+  font-size: 0.85rem;
+  color: var(--text-muted);
+  margin: 0.35rem 0 0 0.95rem;
+  max-width: 70ch;
+}
+
+.grid {
+  display: grid;
+  grid-template-columns: 1fr;
+  gap: 0;
+  margin-top: 1.25rem;
+}
+
+.rowLabel {
+  font-size: 0.85rem;
+  font-weight: 600;
+  color: var(--text-secondary);
+  display: flex;
+  align-items: center;
+  gap: 0.35rem;
+  background: var(--bg-secondary);
+  border-radius: 6px;
+  padding: 0.4rem 0.6rem;
+  margin-top: 0.8rem;
+}
+
+.cell {
+  padding: 0.4rem 0.6rem;
+  font-size: 0.95rem;
+}
+
+.cell::before {
+  content: attr(data-school);
+  display: block;
+  font-size: 0.72rem;
+  font-weight: 600;
+  color: var(--sc, var(--text-muted));
+}
+
+.big {
+  font-size: 1.35rem;
+  font-weight: 700;
+  font-variant-numeric: tabular-nums;
+}
+
+.small {
+  display: block;
+  font-size: 0.8rem;
+  color: var(--text-muted);
+  margin-top: 0.1rem;
+}
+
+.chip {
+  display: inline-block;
+  font-size: 0.75rem;
+  font-weight: 600;
+  border-radius: 999px;
+  padding: 0.15rem 0.6rem;
+  white-space: nowrap;
+}
+
+.chipGood {
+  background: rgba(45, 125, 125, 0.14);
+  color: var(--accent-teal);
+}
+
+.chipWarn {
+  background: var(--accent-gold-bg);
+  color: var(--accent-gold-text);
+}
+
+.chipBad {
+  background: var(--accent-coral-bg);
+  color: var(--accent-coral-dark);
+}
+
+.chipNeutral {
+  background: var(--bg-secondary);
+  color: var(--text-secondary);
+}
+
+.help {
+  display: inline-flex;
+  width: 15px;
+  height: 15px;
+  border-radius: 50%;
+  border: 1px solid var(--text-muted);
+  color: var(--text-muted);
+  font-size: 0.65rem;
+  align-items: center;
+  justify-content: center;
+  cursor: help;
+  flex: none;
+}
+
+.badge {
+  display: inline-block;
+  font-weight: 700;
+  border-radius: 6px;
+  padding: 0.25rem 0.7rem;
+  font-size: 0.9rem;
+}
+
+.badgeGood {
+  background: rgba(45, 125, 125, 0.14);
+  color: var(--accent-teal);
+}
+
+.badgeWarn {
+  background: var(--accent-gold-bg);
+  color: var(--accent-gold-text);
+}
+
+.badgeBad {
+  background: var(--accent-coral-bg);
+  color: var(--accent-coral-dark);
+}
+
+.rcList {
+  display: flex;
+  flex-direction: column;
+  gap: 0.3rem;
+  margin-top: 0.2rem;
+}
+
+.rcRow {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  gap: 0.5rem;
+  font-size: 0.8rem;
+}
+
+.rcArea {
+  color: var(--text-secondary);
+}
+
+.chipStack {
+  display: flex;
+  gap: 0.3rem;
+  flex-wrap: wrap;
+  margin-top: 0.3rem;
+}
+
+.barMini {
+  display: block;
+  height: 8px;
+  border-radius: 4px;
+  background: var(--bg-secondary);
+  overflow: hidden;
+  margin-top: 0.3rem;
+  max-width: 140px;
+}
+
+.barMini > i {
+  display: block;
+  height: 100%;
+  border-radius: 4px;
+}
+
+.card {
+  background: var(--bg-card);
+  border: 1px solid var(--border-light);
+  border-radius: 16px;
+  box-shadow: var(--shadow-soft);
+  padding: 1.25rem 1.5rem;
+  margin-top: 1rem;
+}
+
+.link {
+  color: var(--accent-coral-dark);
+}
+
+@media (min-width: 761px) {
+  .grid {
+    grid-template-columns: 200px repeat(var(--school-count, 3), 1fr);
+    gap: 0 0.75rem;
+  }
+
+  .rowLabel {
+    background: none;
+    border-radius: 0;
+    margin-top: 0;
+    padding: 0.85rem 0.5rem 0.85rem 0;
+    border-bottom: 1px solid var(--border-light);
+  }
+
+  .cell {
+    padding: 0.85rem 0.25rem;
+    border-bottom: 1px solid var(--border-light);
+  }
+
+  .cell::before {
+    content: none;
+  }
+}

nextjs-app/components/compare/sectionShared.tsx

@@ -0,0 +1,97 @@
+/**
+ * Small shared pieces for the compare sections: the section shell, the
+ * row-label + per-school-cell grid, and tone-mapped chips. Copy passed into
+ * these comes verbatim from the reviewed mockups
+ * (docs/superpowers/specs/mockups/) — do not paraphrase it here.
+ */
+
+'use client';
+
+import type { CSSProperties, ReactNode } from 'react';
+
+import type { School } from '@/lib/types';
+import { CHART_TEXT_COLORS } from '@/lib/utils';
+import styles from './compareSections.module.css';
+
+export function Section({
+  title,
+  how,
+  children,
+}: {
+  title: string;
+  how?: ReactNode;
+  children: ReactNode;
+}) {
+  return (
+    <section className={styles.section}>
+      <h2 className={styles.sectionTitle}>{title}</h2>
+      {how && <p className={styles.how}>{how}</p>}
+      {children}
+    </section>
+  );
+}
+
+export function SectionGrid({
+  schools,
+  children,
+}: {
+  schools: School[];
+  children: ReactNode;
+}) {
+  return (
+    <div
+      className={styles.grid}
+      style={{ '--school-count': schools.length } as CSSProperties}
+    >
+      {children}
+    </div>
+  );
+}
+
+export function RowLabel({ children, tip }: { children: ReactNode; tip?: string }) {
+  return (
+    <div className={styles.rowLabel}>
+      {children}
+      {tip && (
+        <span className={styles.help} title={tip} aria-label={tip}>
+          ?
+        </span>
+      )}
+    </div>
+  );
+}
+
+export function Cell({
+  school,
+  index,
+  children,
+}: {
+  school: School;
+  index: number;
+  children: ReactNode;
+}) {
+  return (
+    <div
+      className={styles.cell}
+      data-school={school.school_name}
+      style={{ '--sc': CHART_TEXT_COLORS[index % CHART_TEXT_COLORS.length] } as CSSProperties}
+    >
+      {children}
+    </div>
+  );
+}
+
+export type ChipTone = 'good' | 'warn' | 'bad' | 'neutral';
+
+const CHIP_TONE_CLASS: Record<ChipTone, string> = {
+  good: styles.chipGood,
+  warn: styles.chipWarn,
+  bad: styles.chipBad,
+  neutral: styles.chipNeutral,
+};
+
+export function Chip({ tone, children }: { tone: ChipTone; children: ReactNode }) {
+  return <span className={`${styles.chip} ${CHIP_TONE_CLASS[tone]}`}>{children}</span>;
+}
+
+export const sectionStyles = styles;

nextjs-app/lib/compareLogic.ts

@@ -229,14 +229,14 @@ export function stripPositions(
 
 /** Latest non-null yearly value of `metricKey` per school, in `urns` order. */
 export function latestValues(
-  data: Record<string, { yearly_data: Array<Record<string, unknown> & { year: number }> }>,
+  data: Record<string, { yearly_data: Array<{ year: number }> }>,
   urns: number[],
   metricKey: string,
 ): Array<number | null> {
   return urns.map((urn) => {
     const rows = data[String(urn)]?.yearly_data ?? [];
     for (let i = rows.length - 1; i >= 0; i--) {
-      const v = rows[i][metricKey];
+      const v = (rows[i] as Record<string, unknown>)[metricKey];
       if (typeof v === 'number' && !Number.isNaN(v)) return v;
     }
     return null;