The Global Assessment Certificate program (also known as the GAC, /ʤiː eɪ siː/, jee-ay-see) is a university preparation and foundation studies program that provides students from mostly non-English-speaking backgrounds with academic knowledge and skills to prepare them for western-style postsecondary study.
The program is monitored and moderated by AES staff based at the organization's regional offices in Shanghai, Jakarta and Singapore.
The GAC can be delivered full-time or part-time as a concurrent co-curriculum with the high school curriculum.
Grading criteria for each assessment are clearly stipulated in documentation provided to Approved Teaching Centers (ATCs) and teachers and directors of studies are trained by ACT Education Solutions, Limited's academic staff in the correct application of the grading criteria.
Higher education institutions can verify GAC graduates' certificates and transcripts through the iTAP database.