Mbamba, Ulingeta O.L. “Should Schools Be Smaller? The Size-Performance Relationship in Relation to Tanzania ’ S Advanced Certificate of Secondary Education Results of 2004 to 2009”. Papers in Education and Development, no. 29 (March 18, 2018). Accessed May 13, 2025. https://journals.udsm.ac.tz/index.php/ped/article/view/1452.