While Sets varied in difficulty, overall the paper tested deep conceptual understanding. Application-based questions were particularly tricky, and responses were mixed among students and experts.

Meet 20 of the SA’s brightest and most argumentative students ... a team and developing knowledge in different and interesting topics. While Hardy was not yet sure what he wanted to pursue ...

“It was paper plates, plastic glasses — a controlled ... I needed to earn. Being bolshy, ­argumentative Chloe B got me more work. I grew sick of it but the head of the production company ...