Your grade journey
OCR A level Computer Sciencegrade boundaries
Explore official boundaries. See where your marks take you.
H4463 official seriesMaximum mark 350
Exam series
Flight log / June 2026
Grade boundaries
OfficialAll papers · 01 / 02 / 03 / 04 · Out of 350
Grade A*
289
marks / 350
Grade A
254
marks / 350
Grade C
178
marks / 350
Grade E
104
marks / 350
All grade thresholds
| Grade | Minimum mark | Mark range | % of maximum |
|---|---|---|---|
| A* | 289 | 289–350 | 83% |
| A | 254 | 254–288 | 73% |
| B | 216 | 216–253 | 62% |
| C | 178 | 178–215 | 51% |
| D | 141 | 141–177 | 40% |
| E | 104 | 104–140 | 30% |
| U | Below 104 | ||
These boundaries apply to this exam series and route.
How these boundaries have changed
All papers, every official series. Boundaries move each year with how hard the papers were.
| Series | A* | A | B | C | D | E |
|---|---|---|---|---|---|---|
| June 2026 | 289-2 | 254-2 | 216-2 | 178-2 | 141-1 | 104-1 |
| June 2025 | 291-1 | 256 | 218+3 | 180+6 | 142+9 | 105+12 |
| June 2024 | 292 | 256 | 215 | 174 | 133 | 93 |
+ higher than the same series a year earlier (harder to reach) · − lower (easier to reach).
Grade calculator
June 2026 · All papers
Enter your total mark to see your grade.
254 marks needed for Grade A.
Paper-by-paper entry isn’t available here: this subject's papers are weighted and the board doesn't publish the weighting factors in its boundary documents. Use your total subject mark from your results slip.
Frequently asked questions
What did you need for a grade E in Computer Science in June 2026?
In June 2026, grade E in OCR A level Computer Science (H446) needed 104 out of 350 on all papers.
What was the boundary for a grade A* in June 2026?
289 out of 350 on all papers — the top grade for A level Computer Science in June 2026.
How is my grade worked out?
Your marks from each paper are added up (scaled by a weighting factor where papers count differently) to give your subject mark, which is then compared with the boundaries. Your grade comes from the total — not from each paper separately.
When will the next boundaries be published?
OCR publishes grade boundaries on results day for each series. Until then, any figures shown for a future series are Starley estimates, clearly labelled, based on recent years.