The Inter-Primary School General Knowledge Competition 2021 is an inter-primary school quiz organized by the Hong Kong Youth Learning Competition and Metro Radio. The 27 teams with the best results in the preliminaries "Primary School General Knowledge Challenge 2020". Test the students' knowledge and ability in various fields, such as the development of Hong Kong and the country, subject knowledge, language ability, international perspective, life skills, teamwork, etc. Hosted by Ye Wenhui and Chen Yiti. The game will be broadcast on ViuTV on Saturday, July 10, 2021, from 15:05-16:00.