Free 5-Minute Diagnostic — Find Your Child's Knowledge Gaps
SideCog's free diagnostic is a short, 5-minute assessment written by qualified UK teachers. It pinpoints the exact misconceptions holding your child back in KS3 and GCSE Maths, English and Science, predicts their current grade, and unlocks a personalised pathway of lessons to fix every gap.
How it works
- Take a 5-minute diagnostic. 8 questions designed by experienced UK teachers reveal deep misconceptions, not just surface recall.
- Get a personalised insight report. See the exact gaps in your child's understanding, a predicted grade, and how those gaps will affect future topics.
- Unlock the pathway that fixes them. SideCog re-teaches each misconception with personalised lessons, tracking until they are truly mastered.
What's covered
Diagnostics are available for Maths, English and Science across Key Stage 3 (Years 7–9) and GCSE (Years 10–11), aligned to the UK national curriculum and major exam boards including AQA, Edexcel and OCR.
Frequently asked questions
How long does the diagnostic take?
About 5 minutes. It uses 8 carefully written questions designed to reveal misconceptions, not just surface recall.
Is it free?
Yes. The diagnostic is completely free, requires no payment card, and you can start without signing up.
Who writes the questions?
Every diagnostic is written by qualified UK teachers with classroom experience and reviewed against the national curriculum.
What do I get at the end?
A personalised insight report naming each specific misconception, the exact question that revealed it, a predicted current grade, and a personalised pathway of lessons to fix the gaps.
Do I need an account?
No account is needed to take the diagnostic. Creating a free SideCog account lets you save reports, run more diagnostics, and unlock the personalised follow-up pathway.