A-Level Biology grade boundaries — March 2025
Cambridge International AS & A Level (9700). 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
| Grade | Min mark | Min % |
|---|---|---|
| A* | 206 | 80% |
| A | 186 | 72% |
| B | 166 | 64% |
| C | 144 | 56% |
| D | 122 | 47% |
| E | 100 | 39% |
Maximum mark: 260.
Papers 42, 52, 85
| Grade | Min mark | Min % |
|---|---|---|
| A* | 199 | 77% |
| A | 175 | 68% |
| B | 151 | 59% |
| C | 130 | 50% |
| D | 109 | 42% |
| E | 89 | 35% |
Maximum mark: 260.
Papers 42, 52, 88
| Grade | Min mark | Min % |
|---|---|---|
| A* | 203 | 79% |
| A | 179 | 69% |
| B | 155 | 60% |
| C | 134 | 52% |
| D | 113 | 44% |
| E | 92 | 36% |
Maximum mark: 260.
Papers 42, 52, 95
| Grade | Min mark | Min % |
|---|---|---|
| A* | 206 | 80% |
| A | 184 | 71% |
| B | 162 | 63% |
| C | 140 | 54% |
| D | 118 | 46% |
| E | 97 | 38% |
Maximum mark: 260.
Papers 42, 52, 98
| Grade | Min mark | Min % |
|---|---|---|
| A* | 206 | 80% |
| A | 184 | 71% |
| B | 162 | 63% |
| C | 140 | 54% |
| D | 119 | 46% |
| E | 98 | 38% |
Maximum mark: 260.
Papers 42, 52, 75
| Grade | Min mark | Min % |
|---|---|---|
| A* | 203 | 79% |
| A | 182 | 70% |
| B | 161 | 62% |
| C | 138 | 54% |
| D | 115 | 45% |
| E | 93 | 36% |
Maximum mark: 260.
Papers 12, 22, 33
| Grade | Min mark | Min % |
|---|---|---|
| A | 94 | 73% |
| B | 85 | 66% |
| C | 74 | 57% |
| D | 63 | 49% |
| E | 52 | 40% |
Maximum mark: 130.
Calculate your Biology grade →
Figures sourced from the official Cambridge grade threshold tables. Always confirm with your exam board.