Westminster School is a public boarding and day school. The curriculum covers humanities, arts, sciences, music, art, drama and sport. Boys enter at 13, girls at 16. From 13 the curriculum is directed at GCSEs/IGCSEs, from 16 at Advanced Level and Cambridge Pre-U examinations. Admission is open to any applicant who meets the entry criteria. Bursaries are given as necessary.
Westminster School has a total of 613 pupils, with 256 pupils in the Sixth Form.