Beijing BISS International School (BISS) () is an independent co-educational English-language day school located in Chaoyang District, Beijing, People's Republic of China. Founded in 1994, educates kindergarten through grade 12 students from Beijing's expatriate community through all three International Baccalaureate (IB) programs: the Primary Years Programme, the Middle Years Programme, and the Diploma Programme. The school has 340 students from 40 different nationalities as of 2012. History Beijing BISS International School was founded in 1994 by its sister school, the International School Singapore (ISS), as an independent proprietary, co-educational, English-language day school offering an international curriculum to students from Kindergarten to grade 12 from Beijing's expatriate community. BISS was the first International School licensed by The Beijing Educational Commission, and the first school in Beijing to offer all three IB programs. In 2018 the school temporary closed for two days, citing financial issues. In response to ongoing non-payment of staff salaries and entitlements BISS teachers went on strike on September 20, 2018. Some current and former staff were owed as much as 120,000 yuan. Teachers wrote parents a letter stating that "Faculty contracts have not been honored and wages, health insurance. and housing allowances have not been paid". Program Curriculum BISS offers the Primary Years Programme (PYP), Middle Years Programme (MYP) and Diploma Programme (DP) to all students, from kindergarten through grade 12. Accreditations, Authorizations, Memberships and Licences Authorized by the International Baccalaureate (IB): BISS was the first school in Beijing and one of the first in China to be authorized to offer all three IB programs Accredited by the National Centre for School Curriculum and Textbook Development (NCCT) Licensed by the Beijing Education Commission Member of the Association of China and Mongolia International Schools Member of the East Asia Regional Council of Schools Students BISS provides instruction for kindergarten to grade 12 students from the expatriate community of Beijing. As of 2012, 340 students from 40 different nationalities attend the school. Class sizes BISS maintains a relatively low student to teacher class ratios, with classes typically having 15 students or less to 1 teacher. Luo Wangshu of the Shanghai Daily reported that "BISS believes that smaller class sizes make for better academic performance and communication." Faculty BISS faculty members hail from the United States, Canada, Australia, Korea, New Zealand, Singapore, China, Japan, the Philippines, Portugal, and the U.K. In 2017, Search Associates, the most reputable international schools' recruitment agency