Things you learn from students - why small class size does matter.

Last week, during a 1:1 tutorial with an A level Biology student, I heard a way of describing something quite tricky from the syllabus that just cut straight to the heart of the idea. Pow! A perfect metaphor. I’ve probably taught that idea over 150 times, and I've taught it to undergraduates, A level students, GCSE students, and KS3 students. They always struggle to grasp the central core of the idea…