Clapham High School is an English language Christian based co-educational school which is committed to providing a high quality secondary education; encouraging and developing intiative, integrity, leadership qualities and social responsibility; creating an atmosphere and environment conducive to learners for achieving their full potential; fostering involvement, support and loyalty from educators, parents and learners; the managing of its affairs in a cost-effective manner.

The school's focus is on Academics, Sport and Leadership.