The Territory-wide System Assessment (TSA) is an assessment introduced by the Education Commission in the report of "Reform Proposal for the Education System in Hong Kong" in September 2000. The Territory-wide System Assessment is held in June every year since 2004 for students of Primary 3, Primary 6 (implemented in alternate year starting from 2011) and Secondary 3. The Territory-wide System Assessment is designed for facilitating learning and teaching after evaluating the average learning standard of the students in the subject of Chinese language, English language and Mathematics at the end of key stage 1-3.