Secondary (Grades 8-12)
Sri Lankan International School has adopted Edexcel International General Certificate of Secondary Education (IGCSE) curriculum. The curriculum provides learners aged 14 to 16 years problem solving skills, critical thinking, and in depth knowledge needed to progress to next levels in their learning called International Advance Levels (IAS / IAL) or IB Diploma or onto university and into employment. IGCSE is generally known as Grade 8 to 10. While IAS & IAL are referred to Grade 11 and 12.