fix(search): no LA comparison for independent schools (H2)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

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

@@ -105,3 +105,20 @@ it('puts the card back when the pins are rebuilt for a reason other than the sch
   expect(container.querySelector('.sc-popup')).toHaveTextContent('Southmead Primary School');
   expect(container.querySelectorAll('.sc-pin--selected')).toHaveLength(1);
 });
+
+it('compares a state secondary with its LA average on the card, but not an independent one', () => {
+  const state: School = { ...base, urn: 3, school_name: 'Holland Park School', school_type: 'Academy converter',
+    phase: 'Secondary', local_authority: 'Kensington and Chelsea', attainment_8_score: 60,
+    latitude: 51.5, longitude: -0.2, distance: 0.3 };
+  const independent: School = { ...state, urn: 4, school_name: 'Abbey Gate College',
+    school_type: 'Other independent school', attainment_8_score: 20.4 };
+  const laAverages = { 'Kensington and Chelsea': 54.5 };
+
+  const { container, rerender } = renderMap({ schools: [state, independent], laAverages, selectedUrn: 3 });
+  expect(container.querySelector('.sc-popup')).toHaveTextContent('60.0 Att 8 +5.5 vs LA');
+
+  rerender({ schools: [state, independent], laAverages, selectedUrn: 4 });
+  const card = container.querySelector('.sc-popup')!;
+  expect(card).toHaveTextContent('20.4 Att 8');
+  expect(card).not.toHaveTextContent(/vs LA/);
+});

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

@@ -116,3 +116,38 @@ describe('SecondarySchoolRow shares the school page flags', () => {
     expect(screen.getByText('Fee-paying')).toBeInTheDocument();
   });
 });
+
+describe('SecondarySchoolRow LA comparison', () => {
+  it('compares a state school with its LA average', () => {
+    render(
+      <SecondarySchoolRow
+        school={{ ...base, school_type: 'Academy converter', attainment_8_score: 60 }}
+        laAvgAttainment8={54.5}
+      />,
+    );
+    expect(screen.getByText(/\+5\.5 vs LA avg/)).toBeInTheDocument();
+  });
+
+  it('keeps the comparison for a school whose type is unknown', () => {
+    render(
+      <SecondarySchoolRow
+        school={{ ...base, school_type: null, attainment_8_score: 60 } as unknown as School}
+        laAvgAttainment8={54.5}
+      />,
+    );
+    expect(screen.getByText(/\+5\.5 vs LA avg/)).toBeInTheDocument();
+  });
+
+  it("shows an independent school's Attainment 8 without an LA comparison", () => {
+    // DfE's LA average covers state-funded schools; an independent's
+    // Attainment 8 leaves out IGCSEs (audit H2).
+    render(
+      <SecondarySchoolRow
+        school={{ ...base, school_type: 'Other independent school', attainment_8_score: 20.4 }}
+        laAvgAttainment8={54.5}
+      />,
+    );
+    expect(screen.getByText('20.4')).toBeInTheDocument();
+    expect(screen.queryByText(/vs LA avg/)).not.toBeInTheDocument();
+  });
+});

nextjs-app/__tests__/lib/utils.test.ts

@@ -391,3 +391,20 @@ describe('singleSexLabel', () => {
     expect(singleSexLabel(undefined)).toBeNull();
   });
 });
+
+describe('isIndependentSchool', () => {
+  const { isIndependentSchool } = require('@/lib/utils');
+
+  it('matches both GIAS independent types', () => {
+    expect(isIndependentSchool({ school_type: 'Other independent school' })).toBe(true);
+    expect(isIndependentSchool({ school_type: 'Other independent special school' })).toBe(true);
+  });
+
+  it('does not match state-funded types or a missing type', () => {
+    for (const t of ['Academy converter', 'Community school', 'Free schools', 'Non-maintained special school']) {
+      expect(isIndependentSchool({ school_type: t })).toBe(false);
+    }
+    expect(isIndependentSchool({ school_type: null })).toBe(false);
+    expect(isIndependentSchool({})).toBe(false);
+  });
+});