Grade boundaries
Edexcel International GCSE (9–1) Science (Double Award) 4SD0 grade boundaries June 2025
The least raw mark that reached each grade in June 2025, as Edexcel printed it, for the whole subject and each paper.
From Edexcel’s grade boundaries for June 2025: the board’s document.
| Grade | Whole subject (1B 1C 1P)out of 330 | Whole subject (1BR 1CR 1PR)out of 330 | 4SD0/1Bout of 110 | 4SD0/1BRout of 110 | 4SD0/1Cout of 110 | 4SD0/1CRout of 110 | 4SD0/1Pout of 110 | 4SD0/1PRout of 110 |
|---|---|---|---|---|---|---|---|---|
| 9-9 | 257 | 259 | 85 | 88 | 89 | 89 | 83 | 82 |
| 9-8 | 242 | 244 | 80 | 83 | 84 | 84 | 78 | 77 |
| 8-8 | 227 | 229 | 75 | 78 | 79 | 79 | 73 | 72 |
| 8-7 | 213 | 214 | 70 | 73 | 74 | 74 | 68 | 67 |
| 7-7 | 199 | 199 | 66 | 68 | 69 | 69 | 64 | 62 |
| 7-6 | 187 | 187 | 62 | 63 | 65 | 65 | 60 | 58 |
| 6-6 | 176 | 175 | 58 | 59 | 61 | 61 | 56 | 54 |
| 6-5 | 165 | 164 | 54 | 55 | 57 | 57 | 52 | 50 |
| 5-5 | 154 | 153 | 50 | 51 | 54 | 54 | 48 | 46 |
| 5-4 | 143 | 142 | 46 | 47 | 51 | 51 | 45 | 43 |
| 4-4 | 132 | 131 | 42 | 43 | 48 | 48 | 42 | 40 |
| 4-3 | 120 | 119 | 38 | 39 | 43 | 43 | 38 | 36 |
| 3-3 | 108 | 107 | 34 | 35 | 38 | 38 | 34 | 33 |
| 3-2 | 96 | 95 | 30 | 31 | 33 | 33 | 31 | 30 |
| 2-2 | 84 | 83 | 27 | 27 | 28 | 28 | 28 | 27 |
| 2-1 | 72 | 72 | 24 | 24 | 23 | 23 | 25 | 24 |
| 1-1 | 61 | 61 | 21 | 21 | 18 | 19 | 22 | 21 |
Marks for each grade
In total (1B 1C 1P)
- 257 out of 330 on Edexcel 4SD0 (1B 1C 1P) in total was a grade 9-9 in June 2025.
- 242 out of 330 on Edexcel 4SD0 (1B 1C 1P) in total was a grade 9-8 in June 2025.
- 227 out of 330 on Edexcel 4SD0 (1B 1C 1P) in total was a grade 8-8 in June 2025.
- 213 out of 330 on Edexcel 4SD0 (1B 1C 1P) in total was a grade 8-7 in June 2025.
- 199 out of 330 on Edexcel 4SD0 (1B 1C 1P) in total was a grade 7-7 in June 2025.
- 187 out of 330 on Edexcel 4SD0 (1B 1C 1P) in total was a grade 7-6 in June 2025.
- 176 out of 330 on Edexcel 4SD0 (1B 1C 1P) in total was a grade 6-6 in June 2025.
- 165 out of 330 on Edexcel 4SD0 (1B 1C 1P) in total was a grade 6-5 in June 2025.
- 154 out of 330 on Edexcel 4SD0 (1B 1C 1P) in total was a grade 5-5 in June 2025.
- 143 out of 330 on Edexcel 4SD0 (1B 1C 1P) in total was a grade 5-4 in June 2025.
- 132 out of 330 on Edexcel 4SD0 (1B 1C 1P) in total was a grade 4-4 in June 2025.
- 120 out of 330 on Edexcel 4SD0 (1B 1C 1P) in total was a grade 4-3 in June 2025.
- 108 out of 330 on Edexcel 4SD0 (1B 1C 1P) in total was a grade 3-3 in June 2025.
- 96 out of 330 on Edexcel 4SD0 (1B 1C 1P) in total was a grade 3-2 in June 2025.
- 84 out of 330 on Edexcel 4SD0 (1B 1C 1P) in total was a grade 2-2 in June 2025.
- 72 out of 330 on Edexcel 4SD0 (1B 1C 1P) in total was a grade 2-1 in June 2025.
- 61 out of 330 on Edexcel 4SD0 (1B 1C 1P) in total was a grade 1-1 in June 2025.
In total (1BR 1CR 1PR)
- 259 out of 330 on Edexcel 4SD0 (1BR 1CR 1PR) in total was a grade 9-9 in June 2025.
- 244 out of 330 on Edexcel 4SD0 (1BR 1CR 1PR) in total was a grade 9-8 in June 2025.
- 229 out of 330 on Edexcel 4SD0 (1BR 1CR 1PR) in total was a grade 8-8 in June 2025.
- 214 out of 330 on Edexcel 4SD0 (1BR 1CR 1PR) in total was a grade 8-7 in June 2025.
- 199 out of 330 on Edexcel 4SD0 (1BR 1CR 1PR) in total was a grade 7-7 in June 2025.
- 187 out of 330 on Edexcel 4SD0 (1BR 1CR 1PR) in total was a grade 7-6 in June 2025.
- 175 out of 330 on Edexcel 4SD0 (1BR 1CR 1PR) in total was a grade 6-6 in June 2025.
- 164 out of 330 on Edexcel 4SD0 (1BR 1CR 1PR) in total was a grade 6-5 in June 2025.
- 153 out of 330 on Edexcel 4SD0 (1BR 1CR 1PR) in total was a grade 5-5 in June 2025.
- 142 out of 330 on Edexcel 4SD0 (1BR 1CR 1PR) in total was a grade 5-4 in June 2025.
- 131 out of 330 on Edexcel 4SD0 (1BR 1CR 1PR) in total was a grade 4-4 in June 2025.
- 119 out of 330 on Edexcel 4SD0 (1BR 1CR 1PR) in total was a grade 4-3 in June 2025.
- 107 out of 330 on Edexcel 4SD0 (1BR 1CR 1PR) in total was a grade 3-3 in June 2025.
- 95 out of 330 on Edexcel 4SD0 (1BR 1CR 1PR) in total was a grade 3-2 in June 2025.
- 83 out of 330 on Edexcel 4SD0 (1BR 1CR 1PR) in total was a grade 2-2 in June 2025.
- 72 out of 330 on Edexcel 4SD0 (1BR 1CR 1PR) in total was a grade 2-1 in June 2025.
- 61 out of 330 on Edexcel 4SD0 (1BR 1CR 1PR) in total was a grade 1-1 in June 2025.
Paper 4SD0/1B
- 85 out of 110 on Edexcel 4SD0 paper 4SD0/1B was a grade 9-9 in June 2025.
- 80 out of 110 on Edexcel 4SD0 paper 4SD0/1B was a grade 9-8 in June 2025.
- 75 out of 110 on Edexcel 4SD0 paper 4SD0/1B was a grade 8-8 in June 2025.
- 70 out of 110 on Edexcel 4SD0 paper 4SD0/1B was a grade 8-7 in June 2025.
- 66 out of 110 on Edexcel 4SD0 paper 4SD0/1B was a grade 7-7 in June 2025.
- 62 out of 110 on Edexcel 4SD0 paper 4SD0/1B was a grade 7-6 in June 2025.
- 58 out of 110 on Edexcel 4SD0 paper 4SD0/1B was a grade 6-6 in June 2025.
- 54 out of 110 on Edexcel 4SD0 paper 4SD0/1B was a grade 6-5 in June 2025.
- 50 out of 110 on Edexcel 4SD0 paper 4SD0/1B was a grade 5-5 in June 2025.
- 46 out of 110 on Edexcel 4SD0 paper 4SD0/1B was a grade 5-4 in June 2025.
- 42 out of 110 on Edexcel 4SD0 paper 4SD0/1B was a grade 4-4 in June 2025.
- 38 out of 110 on Edexcel 4SD0 paper 4SD0/1B was a grade 4-3 in June 2025.
- 34 out of 110 on Edexcel 4SD0 paper 4SD0/1B was a grade 3-3 in June 2025.
- 30 out of 110 on Edexcel 4SD0 paper 4SD0/1B was a grade 3-2 in June 2025.
- 27 out of 110 on Edexcel 4SD0 paper 4SD0/1B was a grade 2-2 in June 2025.
- 24 out of 110 on Edexcel 4SD0 paper 4SD0/1B was a grade 2-1 in June 2025.
- 21 out of 110 on Edexcel 4SD0 paper 4SD0/1B was a grade 1-1 in June 2025.
Paper 4SD0/1BR
- 88 out of 110 on Edexcel 4SD0 paper 4SD0/1BR was a grade 9-9 in June 2025.
- 83 out of 110 on Edexcel 4SD0 paper 4SD0/1BR was a grade 9-8 in June 2025.
- 78 out of 110 on Edexcel 4SD0 paper 4SD0/1BR was a grade 8-8 in June 2025.
- 73 out of 110 on Edexcel 4SD0 paper 4SD0/1BR was a grade 8-7 in June 2025.
- 68 out of 110 on Edexcel 4SD0 paper 4SD0/1BR was a grade 7-7 in June 2025.
- 63 out of 110 on Edexcel 4SD0 paper 4SD0/1BR was a grade 7-6 in June 2025.
- 59 out of 110 on Edexcel 4SD0 paper 4SD0/1BR was a grade 6-6 in June 2025.
- 55 out of 110 on Edexcel 4SD0 paper 4SD0/1BR was a grade 6-5 in June 2025.
- 51 out of 110 on Edexcel 4SD0 paper 4SD0/1BR was a grade 5-5 in June 2025.
- 47 out of 110 on Edexcel 4SD0 paper 4SD0/1BR was a grade 5-4 in June 2025.
- 43 out of 110 on Edexcel 4SD0 paper 4SD0/1BR was a grade 4-4 in June 2025.
- 39 out of 110 on Edexcel 4SD0 paper 4SD0/1BR was a grade 4-3 in June 2025.
- 35 out of 110 on Edexcel 4SD0 paper 4SD0/1BR was a grade 3-3 in June 2025.
- 31 out of 110 on Edexcel 4SD0 paper 4SD0/1BR was a grade 3-2 in June 2025.
- 27 out of 110 on Edexcel 4SD0 paper 4SD0/1BR was a grade 2-2 in June 2025.
- 24 out of 110 on Edexcel 4SD0 paper 4SD0/1BR was a grade 2-1 in June 2025.
- 21 out of 110 on Edexcel 4SD0 paper 4SD0/1BR was a grade 1-1 in June 2025.
Paper 4SD0/1C
- 89 out of 110 on Edexcel 4SD0 paper 4SD0/1C was a grade 9-9 in June 2025.
- 84 out of 110 on Edexcel 4SD0 paper 4SD0/1C was a grade 9-8 in June 2025.
- 79 out of 110 on Edexcel 4SD0 paper 4SD0/1C was a grade 8-8 in June 2025.
- 74 out of 110 on Edexcel 4SD0 paper 4SD0/1C was a grade 8-7 in June 2025.
- 69 out of 110 on Edexcel 4SD0 paper 4SD0/1C was a grade 7-7 in June 2025.
- 65 out of 110 on Edexcel 4SD0 paper 4SD0/1C was a grade 7-6 in June 2025.
- 61 out of 110 on Edexcel 4SD0 paper 4SD0/1C was a grade 6-6 in June 2025.
- 57 out of 110 on Edexcel 4SD0 paper 4SD0/1C was a grade 6-5 in June 2025.
- 54 out of 110 on Edexcel 4SD0 paper 4SD0/1C was a grade 5-5 in June 2025.
- 51 out of 110 on Edexcel 4SD0 paper 4SD0/1C was a grade 5-4 in June 2025.
- 48 out of 110 on Edexcel 4SD0 paper 4SD0/1C was a grade 4-4 in June 2025.
- 43 out of 110 on Edexcel 4SD0 paper 4SD0/1C was a grade 4-3 in June 2025.
- 38 out of 110 on Edexcel 4SD0 paper 4SD0/1C was a grade 3-3 in June 2025.
- 33 out of 110 on Edexcel 4SD0 paper 4SD0/1C was a grade 3-2 in June 2025.
- 28 out of 110 on Edexcel 4SD0 paper 4SD0/1C was a grade 2-2 in June 2025.
- 23 out of 110 on Edexcel 4SD0 paper 4SD0/1C was a grade 2-1 in June 2025.
- 18 out of 110 on Edexcel 4SD0 paper 4SD0/1C was a grade 1-1 in June 2025.
Paper 4SD0/1CR
- 89 out of 110 on Edexcel 4SD0 paper 4SD0/1CR was a grade 9-9 in June 2025.
- 84 out of 110 on Edexcel 4SD0 paper 4SD0/1CR was a grade 9-8 in June 2025.
- 79 out of 110 on Edexcel 4SD0 paper 4SD0/1CR was a grade 8-8 in June 2025.
- 74 out of 110 on Edexcel 4SD0 paper 4SD0/1CR was a grade 8-7 in June 2025.
- 69 out of 110 on Edexcel 4SD0 paper 4SD0/1CR was a grade 7-7 in June 2025.
- 65 out of 110 on Edexcel 4SD0 paper 4SD0/1CR was a grade 7-6 in June 2025.
- 61 out of 110 on Edexcel 4SD0 paper 4SD0/1CR was a grade 6-6 in June 2025.
- 57 out of 110 on Edexcel 4SD0 paper 4SD0/1CR was a grade 6-5 in June 2025.
- 54 out of 110 on Edexcel 4SD0 paper 4SD0/1CR was a grade 5-5 in June 2025.
- 51 out of 110 on Edexcel 4SD0 paper 4SD0/1CR was a grade 5-4 in June 2025.
- 48 out of 110 on Edexcel 4SD0 paper 4SD0/1CR was a grade 4-4 in June 2025.
- 43 out of 110 on Edexcel 4SD0 paper 4SD0/1CR was a grade 4-3 in June 2025.
- 38 out of 110 on Edexcel 4SD0 paper 4SD0/1CR was a grade 3-3 in June 2025.
- 33 out of 110 on Edexcel 4SD0 paper 4SD0/1CR was a grade 3-2 in June 2025.
- 28 out of 110 on Edexcel 4SD0 paper 4SD0/1CR was a grade 2-2 in June 2025.
- 23 out of 110 on Edexcel 4SD0 paper 4SD0/1CR was a grade 2-1 in June 2025.
- 19 out of 110 on Edexcel 4SD0 paper 4SD0/1CR was a grade 1-1 in June 2025.
Paper 4SD0/1P
- 83 out of 110 on Edexcel 4SD0 paper 4SD0/1P was a grade 9-9 in June 2025.
- 78 out of 110 on Edexcel 4SD0 paper 4SD0/1P was a grade 9-8 in June 2025.
- 73 out of 110 on Edexcel 4SD0 paper 4SD0/1P was a grade 8-8 in June 2025.
- 68 out of 110 on Edexcel 4SD0 paper 4SD0/1P was a grade 8-7 in June 2025.
- 64 out of 110 on Edexcel 4SD0 paper 4SD0/1P was a grade 7-7 in June 2025.
- 60 out of 110 on Edexcel 4SD0 paper 4SD0/1P was a grade 7-6 in June 2025.
- 56 out of 110 on Edexcel 4SD0 paper 4SD0/1P was a grade 6-6 in June 2025.
- 52 out of 110 on Edexcel 4SD0 paper 4SD0/1P was a grade 6-5 in June 2025.
- 48 out of 110 on Edexcel 4SD0 paper 4SD0/1P was a grade 5-5 in June 2025.
- 45 out of 110 on Edexcel 4SD0 paper 4SD0/1P was a grade 5-4 in June 2025.
- 42 out of 110 on Edexcel 4SD0 paper 4SD0/1P was a grade 4-4 in June 2025.
- 38 out of 110 on Edexcel 4SD0 paper 4SD0/1P was a grade 4-3 in June 2025.
- 34 out of 110 on Edexcel 4SD0 paper 4SD0/1P was a grade 3-3 in June 2025.
- 31 out of 110 on Edexcel 4SD0 paper 4SD0/1P was a grade 3-2 in June 2025.
- 28 out of 110 on Edexcel 4SD0 paper 4SD0/1P was a grade 2-2 in June 2025.
- 25 out of 110 on Edexcel 4SD0 paper 4SD0/1P was a grade 2-1 in June 2025.
- 22 out of 110 on Edexcel 4SD0 paper 4SD0/1P was a grade 1-1 in June 2025.
Paper 4SD0/1PR
- 82 out of 110 on Edexcel 4SD0 paper 4SD0/1PR was a grade 9-9 in June 2025.
- 77 out of 110 on Edexcel 4SD0 paper 4SD0/1PR was a grade 9-8 in June 2025.
- 72 out of 110 on Edexcel 4SD0 paper 4SD0/1PR was a grade 8-8 in June 2025.
- 67 out of 110 on Edexcel 4SD0 paper 4SD0/1PR was a grade 8-7 in June 2025.
- 62 out of 110 on Edexcel 4SD0 paper 4SD0/1PR was a grade 7-7 in June 2025.
- 58 out of 110 on Edexcel 4SD0 paper 4SD0/1PR was a grade 7-6 in June 2025.
- 54 out of 110 on Edexcel 4SD0 paper 4SD0/1PR was a grade 6-6 in June 2025.
- 50 out of 110 on Edexcel 4SD0 paper 4SD0/1PR was a grade 6-5 in June 2025.
- 46 out of 110 on Edexcel 4SD0 paper 4SD0/1PR was a grade 5-5 in June 2025.
- 43 out of 110 on Edexcel 4SD0 paper 4SD0/1PR was a grade 5-4 in June 2025.
- 40 out of 110 on Edexcel 4SD0 paper 4SD0/1PR was a grade 4-4 in June 2025.
- 36 out of 110 on Edexcel 4SD0 paper 4SD0/1PR was a grade 4-3 in June 2025.
- 33 out of 110 on Edexcel 4SD0 paper 4SD0/1PR was a grade 3-3 in June 2025.
- 30 out of 110 on Edexcel 4SD0 paper 4SD0/1PR was a grade 3-2 in June 2025.
- 27 out of 110 on Edexcel 4SD0 paper 4SD0/1PR was a grade 2-2 in June 2025.
- 24 out of 110 on Edexcel 4SD0 paper 4SD0/1PR was a grade 2-1 in June 2025.
- 21 out of 110 on Edexcel 4SD0 paper 4SD0/1PR was a grade 1-1 in June 2025.