What percentage is each grade in IGCSE Computer Science?
Grade boundaries change every session, so percentages aren't fixed. Based on the Edexcel June 2026 boundaries for overall (9–1), here's the percentage needed for each grade in Computer Science (4CP0).
| Grade | Min mark | Min percentage |
|---|---|---|
| 9 | 140/160 | 88% |
| 8 | 130/160 | 82% |
| 7 | 121/160 | 76% |
| 6 | 108/160 | 68% |
| 5 | 95/160 | 60% |
| 4 | 82/160 | 52% |
| 3 | 60/160 | 38% |
| 2 | 39/160 | 25% |
| 1 | 18/160 | 12% |
Overall (9–1) · maximum mark 160 · June 2026.
FAQ
What percentage is a 9 in IGCSE Computer Science?
In June 2026 (Overall (9–1)), a 9 needed about 88% (140/160). Boundaries shift slightly each session.
What percentage is a pass (4) in IGCSE Computer Science?
A grade 4 needed roughly 52% in June 2026. Grade 4 / C is generally treated as a standard pass.
Are these IGCSE Computer Science percentages official?
They are derived from the official Edexcel grade threshold tables. Boundaries are set per session, so use these as a guide and confirm with your exam board.