GCSE 9-1 Grades Explained: A*-G Equivalence

A GCSE results slip can feel like it is written in a new language. Many parents remember aiming for an $mA$, $mB$ or $mC$, while students now talk about grades $9$, $7$ and $4$. So, here are GCSE 9-1 grades explained simply: grade $9$ is the highest, grade $1$ is the lowest, and grade $4$ is a standard pass.

The important detail is that the numeric and letter scales do not match perfectly. They have three official comparison points: the bottom of grade $7$ aligns with the bottom of the old grade $mA$, grade $4$ with grade $mC$, and grade $1$ with grade $mG$.

A parent and student trying to translate two GCSE grading languages

GCSE grade equivalence from A* to G

This comparison table is a useful guide, but it should not be treated as an exact conversion chart.

Grades $7$, $8$ and $9$ collectively cover the territory previously occupied by grades $mA$ and $m{A}^{\ast }$. The extra grade at the top was introduced to provide greater differentiation between the highest-performing students. A grade $9$ is therefore not simply a renamed $m{A}^{\ast }$.

The essential parent checklist

When reading a maths report or results slip, remember:

• $9$ is the highest grade and $1$ is the lowest.
• Grade $4$ is a standard pass.
• Grade $5$ is a strong pass.
• Grade $7$ begins at the old grade $mA$ benchmark.
• $mU$ means the minimum standard for grade $1$ was not reached.
• Entry requirements can be higher than the standard-pass benchmark.
• Grade boundaries change between exam series, so a grade is not tied to a fixed percentage.

The numeric scale applies to reformed GCSEs in England. Wales and Northern Ireland continue to use different grading arrangements for many qualifications, so check which qualification and exam board appear on the certificate.

What grades 4 and 5 mean

Grade $4$ is officially described as a standard pass and is broadly comparable with the old grade $mC$. Grade $5$ is a strong pass, sitting within the range previously covered by grades $mB$ and $mC$.

That does not mean every college, apprenticeship or sixth form uses the same entry requirement. A course might request grade $5$, $6$ or higher in maths, particularly where the subject will be used extensively. Families should check the exact published requirements rather than assuming that every pass opens the same door.

Foundation and higher tier in GCSE maths

Tier matters because it affects the grades available. In GCSE maths, foundation tier normally offers grades $1$ to $5$. Higher tier offers grades $4$ to $9$, with a restricted grade $3$ available as a safety net for students who narrowly miss grade $4$.

Students can explore exam-board-specific support through the GCSE Maths revision hub. The Edexcel GCSE Maths revision page, for example, brings together revision lessons, questions, mini tests and papers for foundation and higher tier.

Grades are not fixed percentages

A familiar mistake is to assume that a particular percentage always produces the same grade. Grade boundaries are set for each exam series and can move according to the demands of the papers and the evidence available to awarding organisations.

A parent attempting to predict a moving grade boundary while a student revises

For a realistic picture, students should complete GCSE maths past papers, mark them carefully and compare their totals with boundaries from the same series. MathsGenie's GCSE grade boundaries page covers major exam boards including Edexcel, AQA, OCR and Eduqas. Edexcel students can also use the predicted grade calculator as a planning guide.

Common mistakes when comparing GCSE grades

Treating every number as one letter

There are nine numbered grades but only eight old letter grades from $m{A}^{\ast }$ to $mG$. Some grades necessarily overlap old letter ranges.

Calling grade 5 the only pass

Grade $4$ is the standard pass. Grade $5$ is the strong pass. Individual courses may set higher requirements, but that does not change the official descriptions.

Predicting a grade from an arbitrary percentage

Boundaries vary by exam board, tier and exam series. Use the correct published boundaries rather than a percentage remembered from another paper.

Focusing on the label rather than the next marks

A grade is a summary of performance, not a revision plan. The useful question is where more marks can be gained. Topic worksheets with answers help students target weak areas before moving to GCSE predicted papers.

Turn grade understanding into better revision

The old and new grading systems are best understood as overlapping scales, anchored clearly at grades $7$, $4$ and $1$. Once that translation is clear, attention can return to what actually changes a result: learning methods, practising questions and reviewing errors.

Start with MathsGenie's free revision lessons and practice questions, then use mark schemes, video solutions, mini tests, past papers and predicted papers to measure progress. Finally, check the latest GCSE grade boundaries for the relevant board and exam series rather than guessing what a mark might mean.

Frequently Asked Questions

Is a GCSE grade 4 equivalent to an old grade C?

Broadly, yes. The bottom of grade $4$ is officially aligned with the bottom of the old grade $\mathrm{C}$. Grade $4$ is called a standard pass.

What old GCSE grade is equivalent to a grade 7?

The bottom of grade $7$ aligns with the bottom of the old grade $\mathrm{A}$. Grades $7$, $8$ and $9$ together cover the range previously represented by $\mathrm{A}$ and ${\mathrm{A}}^{\ast }$.

Is grade 5 a pass in GCSE maths?

Yes. Grade $5$ is designated a strong pass, while grade $4$ is a standard pass. Colleges and sixth forms may set their own entry requirements.

Is a grade 9 the same as an A*?

Not exactly. Grade $9$ represents the highest performance within a wider top range. Grades $7$ to $9$ collectively replace the old $\mathrm{A}$ and ${\mathrm{A}}^{\ast }$ range.

What is the highest grade available on foundation GCSE maths?

Grade $5$ is normally the highest available on foundation tier. Students entered for higher tier can access grades $4$ to $9$, with a restricted grade $3$ safety net.