I teach A-level Maths and Further Maths, and have created many resources over the years to support students and teachers. See here for a bank of all my older resources: Teaching Resources.
The curated list below is a selection of some of the resources I believe will be most beneficial for students.
A guide to independent study for A level Maths:
A detailed breakdown of the topics and sub-topics for Edexcel A level Maths (and one for Further Maths), with links to exam questions by topic and relevant IntegralMaths quiz links (only available if your school or college has a subscription):
Key Results Quiz - this bank of short recall questions will help Edexcel A level Maths (and Further Maths) students identify the key results they need to remember, as well as highlight the mathematical results which are provided for you already in the formula booklet:
Skills Checks for A level Maths - short fluency questions on a wide cross-section of topics:
