Leweston has an excellent academic record with students achieving some of the best Sixth Form results in the region. Highlights for 2022 included:
- Students achieved over twice the national average at A*
- For the fourth year running, over half of the results were A* or A
- A third of students gained all A*s and As between them
- 100% of results in English Literature, Religious Studies and Fine Art were A* and A
- In the six languages taken, over two thirds of entries achieved A* and A grades.
- All candidates in Further Maths received an A.