On 14th April, 2023, the ceremony of signing ‘Sister School’ between Beijing Ritan High School and Affiliated School of JNU for Hong Kong and Macao Students (Guangzhou) (ASJ) was held in the High School of Beijing Ritan High School. The two schools will work together to create an international education platform for students through exchanges of teachers and students, sharing of educational resources, teaching and research exchanges, etc. The two schools will enhance the understanding and friendship between teachers and students of the two places, promote the development and innovation of education in the two places, and actively contribute to the synergistic development of Guangdong, Hong Kong and Macao Bay Area and Beijing, Tianjin and Hebei. Li Guohong, Standing Committee Member of Chaoyang District Committee and Minister of United Front Work Department, Ruan Hui Xian, Deputy Director of the Office of the Government of the Hong Kong Special Administrative Region in Beijing, Hu Mingming, Director of the Exchange Division of the Beijing Liaison Office of the Liaison Office of the Central People's Government in the Hong Kong Special Administrative Region, and Ma Dong, Director of the Hong Kong, Macao and Taiwan Division of the Municipal Party Committee's United Front Work Department, attended the signing ceremony. The ceremony was hosted by Wang Xin, Vice Principal of Beijing Ritan High School.

At the signing ceremony, Li Guohong delivered a speech on behalf of the Chaoyang District Committee and the district government. After watching the promotional films of the two schools, Li Keming, the principal of Ritan Middle School, and Zheng Jingliang, the headmaster of Affiliated School of JNU for Hong Kong and Macao Students , introduced the school running situation of their schools and signed the agreement on the conclusion of sister schools. Jin Yunfeng, Secretary of the Party Committee of Ritan High School, and Deng Qiangguang, Chairman of the Board of Trustees of Affiliated School of JNU for Hong Kong and Macao Students, exchanged school flags, and the two schools formally concluded a ‘sister school’. The two schools will take the conclusion of the ‘sister school’ as an opportunity to give full play to the advantages of both sides of the school, to enhance the school identity, to create an influential model sister school in the two places, and to inject new vitality into the education of the two places.

香港特别行政区政府驻北京办事处高级政务主任何芷婷，朝阳区委统战部副部长区侨办主任金晓倩，教育工委副书记王彪，中华文化港澳台及海外传承传播协同创新中心北京分中心办公室暨南大学辛超，暨南大学港澳子弟学校理事长邓强光，广州暨大港澳子弟学校总校长郑景亮、执行校长封岩及领导团队，北京市日坛中学党委书记金云峰、校长李克明，佛山暨大港澳子弟学校总校长张晔，香港全港各区工商联荣誉顾问张劲学，香港维港教育集团人力资源总监叶瑞云等参加签约仪式。He Zhiting, Senior Administrative Officer of the Office of the Government of the Hong Kong Special Administrative Region in Beijing; Jin Xiaoqian, Director of the Overseas Chinese Affairs Office of the United Front Work Department of the Chaoyang District Committee; Wang Biao, Deputy Secretary of the Education Working Committee; Xin Chao of Jinan University, Office of the Collaborative Centre for the Inheritance and Propagation of Chinese Culture in Hong Kong, Macau, Taiwan and Overseas, Beijing Branch; Deng Qiangguang, Chairman of the Board of Trustees of the Affiliated School of JNU for Hong Kong and Macao Students ; Zheng Jingliang, Chief Principal of the Affiliated School of JNU for Hong Kong and Macao Students (Guangzhou), Feng Yan, Executive Principal of the school, and the leadership team. Leadership team, Jin Yunfeng, Secretary of the Party Committee and Li Keming, Principal of Beijing Ritan Middle School, Zhang Ye, Chief Principal of Affiliated School of JNU for Hong Kong and Macao Students (Foshan), Zhang Jinxue, Honorary Advisor of Hong Kong Industries and Commerce Association of Hong Kong, and Yip Ruiyun, Director of Human Resources of Hong Kong Harbour Fest Education Group, etc., took part in the Signing Ceremony.