A-Level Chemistry grade boundaries — March 2025
Cambridge International AS & A Level (9701). Minimum raw marks for each grade (A*–E) in the March 2025 series, by paper combination. Pick the option matching the papers you sat.
Papers 12, 22, 33, 42, 52
| Grade | Min mark | Min % |
|---|---|---|
| A* | 197 | 76% |
| A | 175 | 68% |
| B | 153 | 59% |
| C | 128 | 50% |
| D | 104 | 40% |
| E | 80 | 31% |
Maximum mark: 260.
Papers 42, 52, 85
| Grade | Min mark | Min % |
|---|---|---|
| A* | 198 | 77% |
| A | 168 | 65% |
| B | 138 | 54% |
| C | 113 | 44% |
| D | 88 | 34% |
| E | 64 | 25% |
Maximum mark: 260.
Papers 42, 52, 88
| Grade | Min mark | Min % |
|---|---|---|
| A* | 195 | 75% |
| A | 166 | 64% |
| B | 137 | 53% |
| C | 112 | 44% |
| D | 87 | 34% |
| E | 63 | 25% |
Maximum mark: 260.
Papers 42, 52, 95
| Grade | Min mark | Min % |
|---|---|---|
| A* | 190 | 74% |
| A | 166 | 64% |
| B | 142 | 55% |
| C | 118 | 46% |
| D | 94 | 37% |
| E | 71 | 28% |
Maximum mark: 260.
Papers 42, 52, 98
| Grade | Min mark | Min % |
|---|---|---|
| A* | 193 | 75% |
| A | 169 | 65% |
| B | 145 | 56% |
| C | 121 | 47% |
| D | 97 | 38% |
| E | 74 | 29% |
Maximum mark: 260.
Papers 42, 52, 75
| Grade | Min mark | Min % |
|---|---|---|
| A* | 200 | 77% |
| A | 176 | 68% |
| B | 152 | 59% |
| C | 127 | 49% |
| D | 102 | 40% |
| E | 78 | 30% |
Maximum mark: 260.
Papers 12, 22, 33
| Grade | Min mark | Min % |
|---|---|---|
| A | 91 | 70% |
| B | 81 | 63% |
| C | 69 | 54% |
| D | 57 | 44% |
| E | 46 | 36% |
Maximum mark: 130.
Calculate your Chemistry grade →
Figures sourced from the official Cambridge grade threshold tables. Always confirm with your exam board.