Computer Science

Grade Boundaries — 0478

The mark-to-grade calculator needs a verified cash-in composition. This qualification is Cambridge International route-based — the grade depends on which component combination was sat. The tables and trend graph below are fully live.

Grade boundaries

Component thresholds (minimum raw marks)

June 2026

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	46	35	24	21	18	15	11
12	75	–	47	35	23	19	15	11	7
13	75	–	44	33	22	18	15	12	9
21	75	–	47	34	22	18	14	10	7
22	75	–	47	33	20	17	14	11	8
23	75	–	47	34	21	18	15	12	9
50	90	–	69	54	40	34	28	22	16

November 2025

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	41	31	22	18	14	11	8
12	75	–	41	31	22	18	14	11	8
13	75	–	41	31	22	18	14	11	8
21	75	–	43	33	23	19	15	11	7
22	75	–	43	33	23	19	15	11	7
23	75	–	43	33	23	19	15	11	7

June 2025

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	45	35	24	21	18	15	12
12	75	–	48	36	24	20	17	14	11
13	75	–	44	33	21	18	15	12	9
21	75	–	49	37	26	21	17	13	9
22	75	–	52	41	30	27	24	21	18
23	75	–	46	34	23	19	15	12	9
50	90	–	71	59	48	39	31	23	15

November 2024

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	44	34	25	21	16	12	8
12	75	–	44	34	25	21	16	12	8
13	75	–	44	34	23	19	15	11	7
21	75	–	44	35	26	21	17	12	7
22	75	–	44	35	26	21	17	12	7
23	75	–	44	33	23	19	16	12	8

Syllabus thresholds by route (weighted marks)

June 2026

Route	Max	A*	A	B	C	D	E	F	G
11+21	150	117	93	69	46	39	32	25	18
12+22	150	120	94	68	43	36	29	22	15
13+23	150	115	91	67	43	36	30	24	18
50	90	79	69	54	40	34	28	22	16

November 2025

Route	Max	A*	A	B	C	D	E	F	G
AX15011	21	104	84	64	45	37	29	22	15
AY15012	22	104	84	64	45	37	29	22	15
AZ15013	23	104	84	64	45	37	29	22	15

June 2025

Route	Max	A*	A	B	C	D	E	F	G
AX15011	21	116	94	72	50	42	35	28	21
AY15012	22	123	100	77	54	47	41	35	29
AZ15013	23	113	90	67	44	37	30	24	18
P190	50	80	71	59	48	39	31	23	15

November 2024

Route	Max	A*	A	B	C	D	E	F	G
AX15011	21	107	88	69	51	42	33	24	15
AY15012	22	107	88	69	51	42	33	24	15
AZ15013	23	109	88	67	46	38	31	23	15

Source: official Cambridge International grade-boundary documents — every file sha256-recorded in the syllabai-resources GradeBoundaries lane. A boundary is the minimum mark for the grade.

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	46	35	24	21	18	15	11
12	75	–	47	35	23	19	15	11	7
13	75	–	44	33	22	18	15	12	9
21	75	–	47	34	22	18	14	10	7
22	75	–	47	33	20	17	14	11	8
23	75	–	47	34	21	18	15	12	9
50	90	–	69	54	40	34	28	22	16

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	41	31	22	18	14	11	8
12	75	–	41	31	22	18	14	11	8
13	75	–	41	31	22	18	14	11	8
21	75	–	43	33	23	19	15	11	7
22	75	–	43	33	23	19	15	11	7
23	75	–	43	33	23	19	15	11	7

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	45	35	24	21	18	15	12
12	75	–	48	36	24	20	17	14	11
13	75	–	44	33	21	18	15	12	9
21	75	–	49	37	26	21	17	13	9
22	75	–	52	41	30	27	24	21	18
23	75	–	46	34	23	19	15	12	9
50	90	–	71	59	48	39	31	23	15

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	44	34	25	21	16	12	8
12	75	–	44	34	25	21	16	12	8
13	75	–	44	34	23	19	15	11	7
21	75	–	44	35	26	21	17	12	7
22	75	–	44	35	26	21	17	12	7
23	75	–	44	33	23	19	16	12	8

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	46	35	24	21	18	15	11
12	75	–	47	35	23	19	15	11	7
13	75	–	44	33	22	18	15	12	9
21	75	–	47	34	22	18	14	10	7
22	75	–	47	33	20	17	14	11	8
23	75	–	47	34	21	18	15	12	9
50	90	–	69	54	40	34	28	22	16

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	41	31	22	18	14	11	8
12	75	–	41	31	22	18	14	11	8
13	75	–	41	31	22	18	14	11	8
21	75	–	43	33	23	19	15	11	7
22	75	–	43	33	23	19	15	11	7
23	75	–	43	33	23	19	15	11	7

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	45	35	24	21	18	15	12
12	75	–	48	36	24	20	17	14	11
13	75	–	44	33	21	18	15	12	9
21	75	–	49	37	26	21	17	13	9
22	75	–	52	41	30	27	24	21	18
23	75	–	46	34	23	19	15	12	9
50	90	–	71	59	48	39	31	23	15

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	44	34	25	21	16	12	8
12	75	–	44	34	25	21	16	12	8
13	75	–	44	34	23	19	15	11	7
21	75	–	44	35	26	21	17	12	7
22	75	–	44	35	26	21	17	12	7
23	75	–	44	33	23	19	16	12	8

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	46	35	24	21	18	15	11
12	75	–	47	35	23	19	15	11	7
13	75	–	44	33	22	18	15	12	9
21	75	–	47	34	22	18	14	10	7
22	75	–	47	33	20	17	14	11	8
23	75	–	47	34	21	18	15	12	9
50	90	–	69	54	40	34	28	22	16

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	41	31	22	18	14	11	8
12	75	–	41	31	22	18	14	11	8
13	75	–	41	31	22	18	14	11	8
21	75	–	43	33	23	19	15	11	7
22	75	–	43	33	23	19	15	11	7
23	75	–	43	33	23	19	15	11	7

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	45	35	24	21	18	15	12
12	75	–	48	36	24	20	17	14	11
13	75	–	44	33	21	18	15	12	9
21	75	–	49	37	26	21	17	13	9
22	75	–	52	41	30	27	24	21	18
23	75	–	46	34	23	19	15	12	9
50	90	–	71	59	48	39	31	23	15

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	44	34	25	21	16	12	8
12	75	–	44	34	25	21	16	12	8
13	75	–	44	34	23	19	15	11	7
21	75	–	44	35	26	21	17	12	7
22	75	–	44	35	26	21	17	12	7
23	75	–	44	33	23	19	16	12	8

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	46	35	24	21	18	15	11
12	75	–	47	35	23	19	15	11	7
13	75	–	44	33	22	18	15	12	9
21	75	–	47	34	22	18	14	10	7
22	75	–	47	33	20	17	14	11	8
23	75	–	47	34	21	18	15	12	9
50	90	–	69	54	40	34	28	22	16

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	41	31	22	18	14	11	8
12	75	–	41	31	22	18	14	11	8
13	75	–	41	31	22	18	14	11	8
21	75	–	43	33	23	19	15	11	7
22	75	–	43	33	23	19	15	11	7
23	75	–	43	33	23	19	15	11	7

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	45	35	24	21	18	15	12
12	75	–	48	36	24	20	17	14	11
13	75	–	44	33	21	18	15	12	9
21	75	–	49	37	26	21	17	13	9
22	75	–	52	41	30	27	24	21	18
23	75	–	46	34	23	19	15	12	9
50	90	–	71	59	48	39	31	23	15

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	44	34	25	21	16	12	8
12	75	–	44	34	25	21	16	12	8
13	75	–	44	34	23	19	15	11	7
21	75	–	44	35	26	21	17	12	7
22	75	–	44	35	26	21	17	12	7
23	75	–	44	33	23	19	16	12	8

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	46	35	24	21	18	15	11
12	75	–	47	35	23	19	15	11	7
13	75	–	44	33	22	18	15	12	9
21	75	–	47	34	22	18	14	10	7
22	75	–	47	33	20	17	14	11	8
23	75	–	47	34	21	18	15	12	9
50	90	–	69	54	40	34	28	22	16

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	41	31	22	18	14	11	8
12	75	–	41	31	22	18	14	11	8
13	75	–	41	31	22	18	14	11	8
21	75	–	43	33	23	19	15	11	7
22	75	–	43	33	23	19	15	11	7
23	75	–	43	33	23	19	15	11	7

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	45	35	24	21	18	15	12
12	75	–	48	36	24	20	17	14	11
13	75	–	44	33	21	18	15	12	9
21	75	–	49	37	26	21	17	13	9
22	75	–	52	41	30	27	24	21	18
23	75	–	46	34	23	19	15	12	9
50	90	–	71	59	48	39	31	23	15

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	44	34	25	21	16	12	8
12	75	–	44	34	25	21	16	12	8
13	75	–	44	34	23	19	15	11	7
21	75	–	44	35	26	21	17	12	7
22	75	–	44	35	26	21	17	12	7
23	75	–	44	33	23	19	16	12	8

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	46	35	24	21	18	15	11
12	75	–	47	35	23	19	15	11	7
13	75	–	44	33	22	18	15	12	9
21	75	–	47	34	22	18	14	10	7
22	75	–	47	33	20	17	14	11	8
23	75	–	47	34	21	18	15	12	9
50	90	–	69	54	40	34	28	22	16

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	41	31	22	18	14	11	8
12	75	–	41	31	22	18	14	11	8
13	75	–	41	31	22	18	14	11	8
21	75	–	43	33	23	19	15	11	7
22	75	–	43	33	23	19	15	11	7
23	75	–	43	33	23	19	15	11	7

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	45	35	24	21	18	15	12
12	75	–	48	36	24	20	17	14	11
13	75	–	44	33	21	18	15	12	9
21	75	–	49	37	26	21	17	13	9
22	75	–	52	41	30	27	24	21	18
23	75	–	46	34	23	19	15	12	9
50	90	–	71	59	48	39	31	23	15

Component	Max	A*	A	B	C	D	E	F	G
11	75	–	44	34	25	21	16	12	8
12	75	–	44	34	25	21	16	12	8
13	75	–	44	34	23	19	15	11	7
21	75	–	44	35	26	21	17	12	7
22	75	–	44	35	26	21	17	12	7
23	75	–	44	33	23	19	16	12	8