The academic system in St. Thomas International School aims to provide wholesome education to the student. Individual attention is ensured through its small class size. Extensive use of audio - video aids, educational CD’s, practical demonstrations, specifically designed worksheets ensure that learning is not a monotonous experience but an interesting and enriching activity.

Special emphasis is laid on developing reading skills through regular reference work in the library. Apart from this participation in games, music both vocal & instrumental, art and craft and a host of co-curricular activities is mandatory to ensure that students become healthy, confident and smart individuals.