Grade boundaries

Edexcel International GCSE (9–1) Biology 4BI1 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 2B)out of 180	Whole subject (1BR 2BR)out of 180	4BI1/1Bout of 110	4BI1/1BRout of 110	4BI1/2Bout of 70	4BI1/2BRout of 70
9	140	144	85	88	55	56
8	124	127	75	78	49	49
7	109	111	66	68	43	43
6	94	96	58	59	36	36
5	79	81	50	51	29	30
4	65	67	42	43	23	24
3	54	56	35	35	19	20
2	43	45	28	28	15	16
1	32	34	21	21	11	13

Marks for each grade

140 out of 180 on Edexcel 4BI1 (1B 2B) in total was a grade 9 in June 2025.
124 out of 180 on Edexcel 4BI1 (1B 2B) in total was a grade 8 in June 2025.
109 out of 180 on Edexcel 4BI1 (1B 2B) in total was a grade 7 in June 2025.
94 out of 180 on Edexcel 4BI1 (1B 2B) in total was a grade 6 in June 2025.
79 out of 180 on Edexcel 4BI1 (1B 2B) in total was a grade 5 in June 2025.
65 out of 180 on Edexcel 4BI1 (1B 2B) in total was a grade 4 in June 2025.
54 out of 180 on Edexcel 4BI1 (1B 2B) in total was a grade 3 in June 2025.
43 out of 180 on Edexcel 4BI1 (1B 2B) in total was a grade 2 in June 2025.
32 out of 180 on Edexcel 4BI1 (1B 2B) in total was a grade 1 in June 2025.

144 out of 180 on Edexcel 4BI1 (1BR 2BR) in total was a grade 9 in June 2025.
127 out of 180 on Edexcel 4BI1 (1BR 2BR) in total was a grade 8 in June 2025.
111 out of 180 on Edexcel 4BI1 (1BR 2BR) in total was a grade 7 in June 2025.
96 out of 180 on Edexcel 4BI1 (1BR 2BR) in total was a grade 6 in June 2025.
81 out of 180 on Edexcel 4BI1 (1BR 2BR) in total was a grade 5 in June 2025.
67 out of 180 on Edexcel 4BI1 (1BR 2BR) in total was a grade 4 in June 2025.
56 out of 180 on Edexcel 4BI1 (1BR 2BR) in total was a grade 3 in June 2025.
45 out of 180 on Edexcel 4BI1 (1BR 2BR) in total was a grade 2 in June 2025.
34 out of 180 on Edexcel 4BI1 (1BR 2BR) in total was a grade 1 in June 2025.

Grade	Whole subject (1B 2B)out of 180	Whole subject (1BR 2BR)out of 180	4BI1/1Bout of 110	4BI1/1BRout of 110	4BI1/2Bout of 70	4BI1/2BRout of 70
9	140	144	85	88	55	56
8	124	127	75	78	49	49
7	109	111	66	68	43	43
6	94	96	58	59	36	36
5	79	81	50	51	29	30
4	65	67	42	43	23	24
3	54	56	35	35	19	20
2	43	45	28	28	15	16
1	32	34	21	21	11	13

Grade	Whole subject (1B 2B)out of 180	Whole subject (1BR 2BR)out of 180	4BI1/1Bout of 110	4BI1/1BRout of 110	4BI1/2Bout of 70	4BI1/2BRout of 70
9	140	144	85	88	55	56
8	124	127	75	78	49	49
7	109	111	66	68	43	43
6	94	96	58	59	36	36
5	79	81	50	51	29	30
4	65	67	42	43	23	24
3	54	56	35	35	19	20
2	43	45	28	28	15	16
1	32	34	21	21	11	13

Grade	Whole subject (1B 2B)out of 180	Whole subject (1BR 2BR)out of 180	4BI1/1Bout of 110	4BI1/1BRout of 110	4BI1/2Bout of 70	4BI1/2BRout of 70
9	140	144	85	88	55	56
8	124	127	75	78	49	49
7	109	111	66	68	43	43
6	94	96	58	59	36	36
5	79	81	50	51	29	30
4	65	67	42	43	23	24
3	54	56	35	35	19	20
2	43	45	28	28	15	16
1	32	34	21	21	11	13