Chris Brignell is Deputy Director of the Observatory for Mathematical Education, which is supported by a founding grant from XTX Markets Ltd. Stephen Lee is a Senior Research Fellow at the Observatory ...

Choosing A-Levels can feel stressful for both students and parents. Some subjects are known to be harder because they need strong maths skills, long essays, or complex problem-solving. Many families ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...