Your grade journey
OCR A level Mathematics B (MEI)grade boundaries
Explore official boundaries. See where your marks take you.
H6403 official seriesMaximum mark 275
Exam series
Flight log / June 2026
Grade boundaries
OfficialAll papers · 01 / 02 / 03 · Out of 275
Grade A*
223
marks / 275
Grade A
187
marks / 275
Grade C
123
marks / 275
Grade E
61
marks / 275
All grade thresholds
| Grade | Minimum mark | Mark range | % of maximum |
|---|---|---|---|
| A* | 223 | 223–275 | 81% |
| A | 187 | 187–222 | 68% |
| B | 155 | 155–186 | 56% |
| C | 123 | 123–154 | 45% |
| D | 92 | 92–122 | 33% |
| E | 61 | 61–91 | 22% |
| U | Below 61 | ||
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 | 223-3 | 187-3 | 155-4 | 123-5 | 92-5 | 61-5 |
| June 2025 | 226-5 | 190 | 159+3 | 128+6 | 97+8 | 66+10 |
| June 2024 | 231 | 190 | 156 | 122 | 89 | 56 |
+ higher than the same series a year earlier (harder to reach) · − lower (easier to reach).
Grade calculator
June 2026 · All papers
Enter your mark for each paper to see your grade.
187 marks needed for Grade A.
Frequently asked questions
What did you need for a grade E in Mathematics B (MEI) in June 2026?
In June 2026, grade E in OCR A level Mathematics B (MEI) (H640) needed 61 out of 275 on all papers.
What was the boundary for a grade A* in June 2026?
223 out of 275 on all papers — the top grade for A level Mathematics B (MEI) 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.