How accurate is a GCSE grade prediction?

A prediction is indicative, not a guarantee. Mock results are the strongest signal of final performance, but actual exam grades can vary by 1–2 grades depending on revision quality, exam technique, nerves on the day and which topics come up. Use this tool to identify areas to focus on, not as a final forecast.

Can I improve my grade after a low mock?

Yes. If your mock was lower than expected, it often means you were underprepared, not that you cannot reach a higher grade. Focus 50% of your remaining revision time on weak topics. Most students see a 1–2 grade improvement in the final term with disciplined, targeted practice.

What revision hours per week is realistic?

This depends on your subjects, goals and current level. As a rule: 5–10 hours per week in the final term (spread across 5–6 days) is a solid baseline. If aiming for grades 7–9, 10–15 hours per week is typical. Beyond 15 hours, diminishing returns start to kick in unless you are actively teaching weak areas to others.

Should I get a tutor?

A tutor is most effective if: your prediction suggests you are 1–2 grades below your target, you have specific weak topics, or you are struggling with time management in exams. A specialist tutor can identify the exact weak areas in 1–2 sessions and create a targeted revision plan for the final weeks.

GCSE Grade Predictor

Enter your current working grade, most recent mock result, time remaining and revision hours to get a realistic projection of your final GCSE grade. This is an estimate based on historical patterns, not a guarantee.

Current working grade (your level right now)

Most recent mock result

How many terms until your real exams?

Focused revision hours per week (average)

How accurate is this?

This predictor is indicative, not a guarantee. It uses a weighted model based on mock exam performance (the strongest signal), your current working grade, and the effort you are putting in.

Real exam results can vary due to: how well your revision targets the specific papers set that year, your performance on the day (nerves, illness), exam technique and timing strategy, and luck in what topics come up.

Use this as a baseline and motivation: if your projection is a 6 and you want a 7, the next steps section will tell you exactly where to focus. Most students can shift 1–2 grades with disciplined revision on weak areas in the final term.

Revision tips that work

Identify weak topics: mark your mocks against the scheme, list every topic where you lost 5+ marks.
Spend 50% of time on weak areas: don't revise what you already know well.
Practise full papers under timed conditions: exam technique is as important as knowledge.
Use past papers strategically: don't just sit them; use them to test specific topics.
A tutor can accelerate progress: 1–2 sessions per week in the final term focusing on weak topics often yields a 1–2 grade lift.

Related tools

GCSE Grade Calculator: turn a percentage mark into an estimated grade using national grade boundaries
Tutor Rate Calculator: check if a GCSE tutor's rate is fair for your subject and level