Grade boundaries

Edexcel International GCSE (9–1) Science (Double Award) (Modular) 4XSD1 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	4WSD1/1out of 60	4WSD1/1Rout of 60	4WSD2/2out of 60	4WSD2/2Rout of 60	4WSD3/3out of 60	4WSD3/3Rout of 60	4WSD4/4out of 60	4WSD4/4Rout of 60	4WSD5/5out of 60	4WSD5/5Rout of 60	4WSD6/6out of 60	4WSD6/6Rout of 60
9	47	48	48	48	47	47	51	53	46	44	51	51
8	41	42	42	42	42	42	46	48	40	39	45	45
7	36	37	37	37	37	37	41	43	35	34	39	39
6	31	32	31	31	33	33	36	38	31	30	36	35
5	27	27	26	25	29	29	31	33	27	26	33	31
4	23	23	21	20	26	26	27	28	23	22	31	28
3	19	19	17	16	21	20	21	21	19	18	25	22
2	15	15	13	13	16	14	15	15	16	14	19	17
1	12	11	10	10	11	9	10	9	13	11	14	12

Marks for each grade

Paper 4WSD1/1

47 out of 60 on Edexcel 4XSD1 paper 4WSD1/1 was a grade 9 in June 2025.
41 out of 60 on Edexcel 4XSD1 paper 4WSD1/1 was a grade 8 in June 2025.
36 out of 60 on Edexcel 4XSD1 paper 4WSD1/1 was a grade 7 in June 2025.
31 out of 60 on Edexcel 4XSD1 paper 4WSD1/1 was a grade 6 in June 2025.
27 out of 60 on Edexcel 4XSD1 paper 4WSD1/1 was a grade 5 in June 2025.
23 out of 60 on Edexcel 4XSD1 paper 4WSD1/1 was a grade 4 in June 2025.
19 out of 60 on Edexcel 4XSD1 paper 4WSD1/1 was a grade 3 in June 2025.
15 out of 60 on Edexcel 4XSD1 paper 4WSD1/1 was a grade 2 in June 2025.
12 out of 60 on Edexcel 4XSD1 paper 4WSD1/1 was a grade 1 in June 2025.

Paper 4WSD1/1R

48 out of 60 on Edexcel 4XSD1 paper 4WSD1/1R was a grade 9 in June 2025.
42 out of 60 on Edexcel 4XSD1 paper 4WSD1/1R was a grade 8 in June 2025.
37 out of 60 on Edexcel 4XSD1 paper 4WSD1/1R was a grade 7 in June 2025.
32 out of 60 on Edexcel 4XSD1 paper 4WSD1/1R was a grade 6 in June 2025.
27 out of 60 on Edexcel 4XSD1 paper 4WSD1/1R was a grade 5 in June 2025.
23 out of 60 on Edexcel 4XSD1 paper 4WSD1/1R was a grade 4 in June 2025.
19 out of 60 on Edexcel 4XSD1 paper 4WSD1/1R was a grade 3 in June 2025.
15 out of 60 on Edexcel 4XSD1 paper 4WSD1/1R was a grade 2 in June 2025.
11 out of 60 on Edexcel 4XSD1 paper 4WSD1/1R was a grade 1 in June 2025.

Paper 4WSD2/2

48 out of 60 on Edexcel 4XSD1 paper 4WSD2/2 was a grade 9 in June 2025.
42 out of 60 on Edexcel 4XSD1 paper 4WSD2/2 was a grade 8 in June 2025.
37 out of 60 on Edexcel 4XSD1 paper 4WSD2/2 was a grade 7 in June 2025.
31 out of 60 on Edexcel 4XSD1 paper 4WSD2/2 was a grade 6 in June 2025.
26 out of 60 on Edexcel 4XSD1 paper 4WSD2/2 was a grade 5 in June 2025.
21 out of 60 on Edexcel 4XSD1 paper 4WSD2/2 was a grade 4 in June 2025.
17 out of 60 on Edexcel 4XSD1 paper 4WSD2/2 was a grade 3 in June 2025.
13 out of 60 on Edexcel 4XSD1 paper 4WSD2/2 was a grade 2 in June 2025.
10 out of 60 on Edexcel 4XSD1 paper 4WSD2/2 was a grade 1 in June 2025.

Paper 4WSD2/2R

48 out of 60 on Edexcel 4XSD1 paper 4WSD2/2R was a grade 9 in June 2025.
42 out of 60 on Edexcel 4XSD1 paper 4WSD2/2R was a grade 8 in June 2025.
37 out of 60 on Edexcel 4XSD1 paper 4WSD2/2R was a grade 7 in June 2025.
31 out of 60 on Edexcel 4XSD1 paper 4WSD2/2R was a grade 6 in June 2025.
25 out of 60 on Edexcel 4XSD1 paper 4WSD2/2R was a grade 5 in June 2025.
20 out of 60 on Edexcel 4XSD1 paper 4WSD2/2R was a grade 4 in June 2025.
16 out of 60 on Edexcel 4XSD1 paper 4WSD2/2R was a grade 3 in June 2025.
13 out of 60 on Edexcel 4XSD1 paper 4WSD2/2R was a grade 2 in June 2025.
10 out of 60 on Edexcel 4XSD1 paper 4WSD2/2R was a grade 1 in June 2025.

Paper 4WSD3/3

47 out of 60 on Edexcel 4XSD1 paper 4WSD3/3 was a grade 9 in June 2025.
42 out of 60 on Edexcel 4XSD1 paper 4WSD3/3 was a grade 8 in June 2025.
37 out of 60 on Edexcel 4XSD1 paper 4WSD3/3 was a grade 7 in June 2025.
33 out of 60 on Edexcel 4XSD1 paper 4WSD3/3 was a grade 6 in June 2025.
29 out of 60 on Edexcel 4XSD1 paper 4WSD3/3 was a grade 5 in June 2025.
26 out of 60 on Edexcel 4XSD1 paper 4WSD3/3 was a grade 4 in June 2025.
21 out of 60 on Edexcel 4XSD1 paper 4WSD3/3 was a grade 3 in June 2025.
16 out of 60 on Edexcel 4XSD1 paper 4WSD3/3 was a grade 2 in June 2025.
11 out of 60 on Edexcel 4XSD1 paper 4WSD3/3 was a grade 1 in June 2025.

Paper 4WSD3/3R

47 out of 60 on Edexcel 4XSD1 paper 4WSD3/3R was a grade 9 in June 2025.
42 out of 60 on Edexcel 4XSD1 paper 4WSD3/3R was a grade 8 in June 2025.
37 out of 60 on Edexcel 4XSD1 paper 4WSD3/3R was a grade 7 in June 2025.
33 out of 60 on Edexcel 4XSD1 paper 4WSD3/3R was a grade 6 in June 2025.
29 out of 60 on Edexcel 4XSD1 paper 4WSD3/3R was a grade 5 in June 2025.
26 out of 60 on Edexcel 4XSD1 paper 4WSD3/3R was a grade 4 in June 2025.
20 out of 60 on Edexcel 4XSD1 paper 4WSD3/3R was a grade 3 in June 2025.
14 out of 60 on Edexcel 4XSD1 paper 4WSD3/3R was a grade 2 in June 2025.
9 out of 60 on Edexcel 4XSD1 paper 4WSD3/3R was a grade 1 in June 2025.

Paper 4WSD4/4

51 out of 60 on Edexcel 4XSD1 paper 4WSD4/4 was a grade 9 in June 2025.
46 out of 60 on Edexcel 4XSD1 paper 4WSD4/4 was a grade 8 in June 2025.
41 out of 60 on Edexcel 4XSD1 paper 4WSD4/4 was a grade 7 in June 2025.
36 out of 60 on Edexcel 4XSD1 paper 4WSD4/4 was a grade 6 in June 2025.
31 out of 60 on Edexcel 4XSD1 paper 4WSD4/4 was a grade 5 in June 2025.
27 out of 60 on Edexcel 4XSD1 paper 4WSD4/4 was a grade 4 in June 2025.
21 out of 60 on Edexcel 4XSD1 paper 4WSD4/4 was a grade 3 in June 2025.
15 out of 60 on Edexcel 4XSD1 paper 4WSD4/4 was a grade 2 in June 2025.
10 out of 60 on Edexcel 4XSD1 paper 4WSD4/4 was a grade 1 in June 2025.

Paper 4WSD4/4R

53 out of 60 on Edexcel 4XSD1 paper 4WSD4/4R was a grade 9 in June 2025.
48 out of 60 on Edexcel 4XSD1 paper 4WSD4/4R was a grade 8 in June 2025.
43 out of 60 on Edexcel 4XSD1 paper 4WSD4/4R was a grade 7 in June 2025.
38 out of 60 on Edexcel 4XSD1 paper 4WSD4/4R was a grade 6 in June 2025.
33 out of 60 on Edexcel 4XSD1 paper 4WSD4/4R was a grade 5 in June 2025.
28 out of 60 on Edexcel 4XSD1 paper 4WSD4/4R was a grade 4 in June 2025.
21 out of 60 on Edexcel 4XSD1 paper 4WSD4/4R was a grade 3 in June 2025.
15 out of 60 on Edexcel 4XSD1 paper 4WSD4/4R was a grade 2 in June 2025.
9 out of 60 on Edexcel 4XSD1 paper 4WSD4/4R was a grade 1 in June 2025.

Paper 4WSD5/5

46 out of 60 on Edexcel 4XSD1 paper 4WSD5/5 was a grade 9 in June 2025.
40 out of 60 on Edexcel 4XSD1 paper 4WSD5/5 was a grade 8 in June 2025.
35 out of 60 on Edexcel 4XSD1 paper 4WSD5/5 was a grade 7 in June 2025.
31 out of 60 on Edexcel 4XSD1 paper 4WSD5/5 was a grade 6 in June 2025.
27 out of 60 on Edexcel 4XSD1 paper 4WSD5/5 was a grade 5 in June 2025.
23 out of 60 on Edexcel 4XSD1 paper 4WSD5/5 was a grade 4 in June 2025.
19 out of 60 on Edexcel 4XSD1 paper 4WSD5/5 was a grade 3 in June 2025.
16 out of 60 on Edexcel 4XSD1 paper 4WSD5/5 was a grade 2 in June 2025.
13 out of 60 on Edexcel 4XSD1 paper 4WSD5/5 was a grade 1 in June 2025.

Paper 4WSD5/5R

44 out of 60 on Edexcel 4XSD1 paper 4WSD5/5R was a grade 9 in June 2025.
39 out of 60 on Edexcel 4XSD1 paper 4WSD5/5R was a grade 8 in June 2025.
34 out of 60 on Edexcel 4XSD1 paper 4WSD5/5R was a grade 7 in June 2025.
30 out of 60 on Edexcel 4XSD1 paper 4WSD5/5R was a grade 6 in June 2025.
26 out of 60 on Edexcel 4XSD1 paper 4WSD5/5R was a grade 5 in June 2025.
22 out of 60 on Edexcel 4XSD1 paper 4WSD5/5R was a grade 4 in June 2025.
18 out of 60 on Edexcel 4XSD1 paper 4WSD5/5R was a grade 3 in June 2025.
14 out of 60 on Edexcel 4XSD1 paper 4WSD5/5R was a grade 2 in June 2025.
11 out of 60 on Edexcel 4XSD1 paper 4WSD5/5R was a grade 1 in June 2025.

Paper 4WSD6/6

51 out of 60 on Edexcel 4XSD1 paper 4WSD6/6 was a grade 9 in June 2025.
45 out of 60 on Edexcel 4XSD1 paper 4WSD6/6 was a grade 8 in June 2025.
39 out of 60 on Edexcel 4XSD1 paper 4WSD6/6 was a grade 7 in June 2025.
36 out of 60 on Edexcel 4XSD1 paper 4WSD6/6 was a grade 6 in June 2025.
33 out of 60 on Edexcel 4XSD1 paper 4WSD6/6 was a grade 5 in June 2025.
31 out of 60 on Edexcel 4XSD1 paper 4WSD6/6 was a grade 4 in June 2025.
25 out of 60 on Edexcel 4XSD1 paper 4WSD6/6 was a grade 3 in June 2025.
19 out of 60 on Edexcel 4XSD1 paper 4WSD6/6 was a grade 2 in June 2025.
14 out of 60 on Edexcel 4XSD1 paper 4WSD6/6 was a grade 1 in June 2025.

Paper 4WSD6/6R

51 out of 60 on Edexcel 4XSD1 paper 4WSD6/6R was a grade 9 in June 2025.
45 out of 60 on Edexcel 4XSD1 paper 4WSD6/6R was a grade 8 in June 2025.
39 out of 60 on Edexcel 4XSD1 paper 4WSD6/6R was a grade 7 in June 2025.
35 out of 60 on Edexcel 4XSD1 paper 4WSD6/6R was a grade 6 in June 2025.
31 out of 60 on Edexcel 4XSD1 paper 4WSD6/6R was a grade 5 in June 2025.
28 out of 60 on Edexcel 4XSD1 paper 4WSD6/6R was a grade 4 in June 2025.
22 out of 60 on Edexcel 4XSD1 paper 4WSD6/6R was a grade 3 in June 2025.
17 out of 60 on Edexcel 4XSD1 paper 4WSD6/6R was a grade 2 in June 2025.
12 out of 60 on Edexcel 4XSD1 paper 4WSD6/6R was a grade 1 in June 2025.

Grade	4WSD1/1out of 60	4WSD1/1Rout of 60	4WSD2/2out of 60	4WSD2/2Rout of 60	4WSD3/3out of 60	4WSD3/3Rout of 60	4WSD4/4out of 60	4WSD4/4Rout of 60	4WSD5/5out of 60	4WSD5/5Rout of 60	4WSD6/6out of 60	4WSD6/6Rout of 60
9	47	48	48	48	47	47	51	53	46	44	51	51
8	41	42	42	42	42	42	46	48	40	39	45	45
7	36	37	37	37	37	37	41	43	35	34	39	39
6	31	32	31	31	33	33	36	38	31	30	36	35
5	27	27	26	25	29	29	31	33	27	26	33	31
4	23	23	21	20	26	26	27	28	23	22	31	28
3	19	19	17	16	21	20	21	21	19	18	25	22
2	15	15	13	13	16	14	15	15	16	14	19	17
1	12	11	10	10	11	9	10	9	13	11	14	12

Grade	4WSD1/1out of 60	4WSD1/1Rout of 60	4WSD2/2out of 60	4WSD2/2Rout of 60	4WSD3/3out of 60	4WSD3/3Rout of 60	4WSD4/4out of 60	4WSD4/4Rout of 60	4WSD5/5out of 60	4WSD5/5Rout of 60	4WSD6/6out of 60	4WSD6/6Rout of 60
9	47	48	48	48	47	47	51	53	46	44	51	51
8	41	42	42	42	42	42	46	48	40	39	45	45
7	36	37	37	37	37	37	41	43	35	34	39	39
6	31	32	31	31	33	33	36	38	31	30	36	35
5	27	27	26	25	29	29	31	33	27	26	33	31
4	23	23	21	20	26	26	27	28	23	22	31	28
3	19	19	17	16	21	20	21	21	19	18	25	22
2	15	15	13	13	16	14	15	15	16	14	19	17
1	12	11	10	10	11	9	10	9	13	11	14	12

Grade	4WSD1/1out of 60	4WSD1/1Rout of 60	4WSD2/2out of 60	4WSD2/2Rout of 60	4WSD3/3out of 60	4WSD3/3Rout of 60	4WSD4/4out of 60	4WSD4/4Rout of 60	4WSD5/5out of 60	4WSD5/5Rout of 60	4WSD6/6out of 60	4WSD6/6Rout of 60
9	47	48	48	48	47	47	51	53	46	44	51	51
8	41	42	42	42	42	42	46	48	40	39	45	45
7	36	37	37	37	37	37	41	43	35	34	39	39
6	31	32	31	31	33	33	36	38	31	30	36	35
5	27	27	26	25	29	29	31	33	27	26	33	31
4	23	23	21	20	26	26	27	28	23	22	31	28
3	19	19	17	16	21	20	21	21	19	18	25	22
2	15	15	13	13	16	14	15	15	16	14	19	17
1	12	11	10	10	11	9	10	9	13	11	14	12