Allen Glen High School is a co-educational public school that is located in Roodepoort, Johannesburg. History Allen Glen High School first opened its doors in 1992. Its name was inspired by the name of the suburb, Allens Nek. William Pope was elected as the schools' first headmaster, with 199 pupils. The first pupils wore t-shirts and jeans but have since changed and now wear official school uniform. Notable alumni Mmusi Maimane - Politician, former President of the Democratic Alliance (South Africa) Thulisile Phongolo - Actress References 1992 establishments in South Africa 1990s in Johannesburg Educational institutions established in 1992 High schools in South Africa Public schools in Africa Schools in Johannesburg