KS 3, (years 7,8,9), follow the National Curriculum in the following subjects: Maths, English, Science, History, Geography and French.
Students take end of year tests to assess attainment levels.

KS4, (years 10,11), study for International GCSEs from the Edexcel Examination Board in the following subjects:
Maths, English, Double Award Science, History, Geography and French.

KS5, (years 12,13), Inter High is looking at the feasibility of offering an International Baccalaureate qualification within a couple of years.

Booklist …

The school issues students with a list of recommended text books that support the subjects taught. Normally we recommend one book per subject to keep costs to a reasonable amount – about £50.