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How GCSEs work

GCSEs (the General Certificate of Secondary Education) are the main exams taken at the end of Year 11 in England, Wales and Northern Ireland, usually around age 16. Most students sit between 8 and 10 subjects, including English, maths and science as a core, plus a range of options.

In England, GCSEs are graded from 9 down to 1, with 9 being the highest. They are set by exam boards such as AQA, Pearson Edexcel, OCR, WJEC, Eduqas and CCEA, and each board has its own specification and papers. WAJD Academy gives you free revision for every major board, all without spending a penny.

The 9 to 1 grades explained

Since 2017 in England, the old A* to G letters were replaced by numbers from 9 to 1. The number system spreads the top grades out more, so a 9 sits above the old A*.

Many sixth forms, colleges and employers look for a grade 4 or 5 and above, especially in English and maths.

Exam boards and specifications

The board sets exactly what is on each paper, so it pays to know yours. The main boards are AQA, Pearson Edexcel, OCR, WJEC and Eduqas, and CCEA in Northern Ireland. Ask your school which board you sit for each subject, then use the matching official past papers to practise the real format.

How to revise for GCSEs

Long hours of re-reading notes feel productive but rarely work. The methods proven to raise grades are simple and WAJD Academy builds them in.

Try the AI tutor for step-by-step help, or jump into a free interactive science topic below.

Free GCSE science topics

Interactive lessons with diagrams and quizzes, by subject. All free.

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Common questions about GCSEs

Is GCSE revision free on WAJD Academy?

Yes. WAJD Academy is completely free with no ads. You get interactive science topics, active recall practice, an AI tutor and links to official past papers for maths, biology, chemistry, physics and English.

What are the 9 to 1 GCSE grades?

Since 2017 in England, GCSEs are graded 9 down to 1 instead of A* to G. Grade 9 is the highest, above the old A*. Grade 4 is a standard pass and grade 5 is a strong pass. Roughly, a 7 is about an A and a 4 is about a C.

What is a pass in GCSE?

A grade 4 is a standard pass and a grade 5 is a strong pass. Many sixth forms, colleges and employers look for a grade 4 or above, particularly in English and maths.

Which exam boards does WAJD cover?

All the major UK boards: AQA, Pearson Edexcel, OCR, WJEC and Eduqas, and CCEA in Northern Ireland. We link you to each board's official past papers and mark schemes.

How should I revise for GCSEs?

Use active recall (testing yourself), spaced practice over weeks, and timed past papers, and focus on your weakest topics. WAJD builds active recall and spaced repetition in for you.

When are GCSE exams?

They are sat in May and June of Year 11, with results in late August. Mock exams usually happen earlier in the year.

How many GCSEs do students take?

Most students take between 8 and 10 GCSEs, including English, maths and science, plus optional subjects.