Question 1

What are Edexcel IGCSE GCSE Combined Science grade boundaries?

Accepted Answer

Grade boundaries are the minimum raw marks you need for each grade pair in Edexcel IGCSE GCSE Combined Science (specification 4SD0). Combined Science is a double-award qualification, so you get two grades (a pair like 7-6 or 5-5) rather than one. Edexcel IGCSE sets the boundaries once marking is complete for the whole cohort, based on how the papers scored and how past cohorts performed.

Question 2

Why is Combined Science graded as a pair (e.g. 7-6, 5-5)?

Accepted Answer

Combined Science counts as two GCSEs' worth of study but you sit fewer papers than a triple science student. To reflect the double weighting, Edexcel IGCSE awards you a pair of grades that can be adjacent (like 7-6) or equal (like 5-5). The pair is decided by your total combined mark across all Combined Science papers.

Question 3

How do I know if I sat Higher or Foundation Combined Science?

Accepted Answer

Your school decides which tier to enter you for. Higher tier papers target grade pairs 9-9 down to 4-3 (with 3-3 as a safety net if you fall just short). Foundation tier targets 5-5 down to 1-1. If you're not sure which tier you sat, check your statement of entry or ask your teacher, since the paper's tier is printed on the front.

Question 4

When are Edexcel IGCSE GCSE Combined Science boundaries published?

Accepted Answer

Edexcel IGCSE normally publishes GCSE grade boundaries at 8am on GCSE results day, alongside the grades themselves. They land as one large PDF covering every GCSE subject that series.

We update this page shortly after Edexcel IGCSE releases the boundaries.

Question 5

How should I use these boundaries when I'm revising?

Accepted Answer

Score your past papers realistically. Sit a Combined Science paper timed, mark it against the official mark scheme, and total your marks across all the papers your specification uses. Compare that total to the boundary for the grade pair you're targeting. A [Combined Science (Edexcel IGCSE) revision course](https://cognito.org/courses/gcse/combined-science/edexcel-igcse) can help you plug specific topic gaps.

Question 6

Can I use Cognito for Edexcel IGCSE GCSE Combined Science practice?

Accepted Answer

Yes. Our [GCSE Combined Science (Edexcel IGCSE) course](https://cognito.org/courses/gcse/combined-science/edexcel-igcse) covers all three sciences at combined-award depth with notes, quizzes and past papers. You can score your paper attempts against the mark scheme and cross-reference your totals to the boundaries on this page.

If you're closer to results day, our [past-papers library](https://cognito.org/past-papers) has the full set of Edexcel IGCSE Combined Science papers.

Question 7

Which Edexcel IGCSE GCSE Combined Science exam series are covered on this page?

Accepted Answer

This page covers every published Edexcel International GCSE Combined Science (specification 4SD0) grade-boundary release we can source from Pearson. At time of writing that includes the Nov 2025, Jun 2025, Nov 2024, Jun 2024, Nov 2023, Jun 2023, Jan 2023, Jun 2022 and Jan 2022 series. Pearson discontinued the January series after Jan 2023 and replaced it with a November series from Nov 2023.

Boundaries are shown per paper-option variant. Pearson publishes a separate boundary table for the mainstream 1B/1C/1P combination and the 1BR/1CR/1PR regional variant used in some centres. The regional variant is only offered in the June series (there is no 1BR/1CR/1PR entry in the November series). Match your paper combination to the tier when you're checking a total from a past paper.

Series	Max	Grade 9-9	Grade 9-8	Grade 8-8	Grade 8-7	Grade 7-7	Grade 7-6	Grade 6-6	Grade 6-5	Grade 5-5	Grade 5-4	Grade 4-4	Grade 4-3	Grade 3-3	Grade 3-2	Grade 2-2	Grade 2-1	Grade 1-1
Nov 2025Latest	330	247	231	215	199	183	172	161	151	141	131	121	110	99	88	77	66	55
Jun 2025	330	257	242	227	213	199	187	176	165	154	143	132	120	108	96	84	72	61
Nov 2024	330	277	261	245	229	214	201	188	176	164	152	140	127	114	101	88	76	64
Jun 2024	330	256	241	226	211	197	185	173	162	151	140	129	118	107	96	85	74	63
Nov 2023	330	258	241	225	209	193	181	169	157	145	134	123	111	99	88	77	66	55
Jun 2023	330	259	242	226	210	194	182	170	158	146	135	124	113	102	91	80	69	58
Jan 2023	330	249	230	211	192	174	161	148	135	122	109	96	87	78	69	60	52	44
Jun 2022	330	249	230	211	192	174	161	148	135	122	109	96	87	78	69	60	52	44
Jan 2022	330	233	216	199	182	165	149	133	117	101	85	69	61	53	45	38	31	24

GCSE Combined Science Edexcel International GCSE (Pearson) Grade Boundaries

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