Source: DBE EMIS Q3 2025 + NSC School Performance Report 2025Last updated
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Athlone Girls' High School
SecondaryPublicQ5
1,012 learners 38 educators 27:1
Fewer learners per educator than 31% of similar schools
Obervatory Extention
About Obervatory Extention
Obervatory Extention is an urban community in the Johannesburg East education district of Gauteng. Its one school is Athlone Girls' High School, a quintile 5 public secondary school with 1,012 learners.
73, Frederick Street, , Obervatory Extention, Johannesburg · 0116164150
School data sourced from the Department of Basic Education (EMIS). Peer comparisons are based on schools within the same quintile, phase, and province group. The learner-educator ratio includes all staff classified as educators — actual class sizes may differ. Learn about our methodology