The IGCSE international curriculum system is one of the largest secondary school exam systems in the world. After many revisions and improvements, the curriculum content is both classic and innovative, allowing students to learn more effectively and consolidate the basic knowledge. The A-Level course is a

high-level course for the British General Secondary Education Certificate Examination and a college entrance examination for British students. Its course certificate is used by almost all English-taught universities as the admission standard for new students. NAIS also has the authorization of Cambridge, Edexcel and Oxford AQA.