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Comprehensive analysis of examination trends, grade boundaries, and student performance based on 7 years of official examiner reports and 515 examiner observations.
Selected highlights — the full analysis is in the report.
Geometry, number, and algebra account for 71% of all examiner-flagged mistakes
"Show that" questions have the highest mark-loss rate relative to student ability
The same mistake patterns have been flagged in every examiner report since 2018
53 mark scheme patterns mapped — follow-through marking is the most misunderstood rule
Two chart previews from the data. The full report includes 10+ visualisations.
Source: 515 examiner observations from 7 CIE 0580 examiner reports
| Topic | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|
| Geometry | Very | Very | Very | Very | Very |
| Number | Very | High | Very | Very | High |
| Algebra | High | Very | High | Very | Very |
| Trigonometry | Med | High | Med | High | Med |
| Statistics | Med | Med | High | Med | High |
| Ratio | Med | Med | Med | Med | Med |
| Functions | • | • | • | • | • |
| Calculus | • | • | • | • | • |
Full heatmap (all 40+ topics across all boards) in the complete report
3 charts — boundary movements across CIE 0580, AQA, Edexcel, OCR
Heatmap of topic appearances across 7 years + per-board breakdown
Ranked list from 515 examiner observations, with actionable corrections
M marks, A marks, follow-through rules, QWC — how marks are really lost
Paper structure, grade scales, boundary comparisons across 5 boards
Top predicted topics per board based on 7-year rotation analysis
Actionable revision plan for Grade 4 pass and Grade 7+ targets
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Based on analysis of 7 official CIE examiner reports (2018–2024) and 515 examiner observations. Grade boundary data sourced from published Cambridge Assessment and Ofqual documents. This report is not affiliated with or endorsed by any examination board.
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