Research
What our own corpus can tell you
We write and mark every worksheet on this site, which means we hold a dataset almost nobody else has: the question count, mark total and intended working time for 2,899 packs across the whole UK curriculum. These are the things worth knowing that fall out of it, published with the data behind them so you can check the working.
Published 2026-09-02GCSE dominates the shelf. The corpus still spans KS1 to A Level.Our corpus holds 2,899 reviewed practice packs and 52,035 questions across 9 levels, with GCSE alone accounting for 40.6 per cent of every question.Published 2026-09-02A mark a minute holds. The question quadruples.Across 52,035 exam-style questions, the marks-per-minute pace is almost flat from KS1 to A Level, while marks per question rise from 1.52 to 5.82.