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docs(spec): 2021/22 school-level KS2 is a permanent DfE source gap, not a pipeline task

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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0146VHeLAWjDVE2B5uU67jCB
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Tudor
2026-07-12 22:10:05 +01:00
co-authored by Claude Fable 5
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docs/superpowers/specs/2026-07-11-compare-screen-redesign-design.md
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@@ -252,12 +252,18 @@ mockups on 2026-07-12. The following are binding requirements for
implementation, beyond what the mockups can show: implementation, beyond what the mockups can show:
1. **Chart truthfulness:** KS2 tests were cancelled 2019/20–2020/21 1. **Chart truthfulness:** KS2 tests were cancelled 2019/20–2020/21
only; 2021/22 results exist and must be loaded (school-level rows only. **2021/22 school-level figures are a permanent source gap** —
and the 2015/16 national figure, 53%, are currently missing from DfE stated it would not publish KS2 2021/22 in performance tables
our dataset — pipeline task). Load official England averages for (verified 2026-07-12 against EES, the CSP download service, and
GPS/science expected % and the scaled scores (reading/maths/GPS) — DfE release notes; see `# TASK 6 VERIFICATION` in
the mockups' scaled-score ticks are indicative until then. Never `pipeline/scripts/diagnose_compare_gaps.py`). The chart's England-
render missing years as if time were continuous. only 2021/22 point with broken school lines is therefore the
correct permanent rendering; copy should say "DfE didn't publish
school-level figures for 2021/22", not "not in our dataset yet".
The 2015/16 national figure and the GPS/science/scaled-score
England averages ARE loadable (mapping already correct; refreshed
raw extract backfills them). Never render missing years as if time
were continuous.
2. **Report-card summaries** count graded areas only — safeguarding is 2. **Report-card summaries** count graded areas only — safeguarding is
a separate binary flag, never included in rating counts. a separate binary flag, never included in rating counts.
3. **Admissions:** use the real preference-breakdown fields from 3. **Admissions:** use the real preference-breakdown fields from