The High School curriculum at Sancta Maria includes two stages of Cambridge Pathway. Grades 9-10 follow Cambridge Upper Secondary curriculum. The focus is on a broad and balanced study across a wide range of subjects using learner-centred and enquiry-based approaches to learning. Assessments include written, oral, coursework and practicals and students take the IGCSE exams with or without the ICE group award at the end of this stage. Grades 11-12 use Cambridge Advanced programme with AS Level exams after Grade 11 and A Level exams after Grade 12. AICE Diploma is an optional additional qualification.
Sancta Maria offers a broad and balanced school curriculum which includes co-curricular and enrichment activities. These include International Award for Young People, Model United Nations, House competitions. School Enterprise Challenge, inter-school competitions, assemblies. Student voice is encouraged and students are part of the active and elected Student Council. They also participate in key decisions are part of various committees such as Anti Bullying Squad and School Lunch Committee. Sports offered include football, basketball, volleyball, badminton, tennis and cricket. Last year, the school initiated a variety of Clubs including Book Club, Board Games Club, Environment Club, Photography Club, Psychology Club and Drama Club. High School students contribute to a monthly student newsletter called ‘The Marian’.