Following the founding of Aggrey Preparatory School (APS dates: 1934-1941) in 1934 by Rev. William L. Jester, Daudi Shushu became one of the first students to join it and he diligently studied for eight years, reaching eighth grade.
Baada ya Rev. William L. Jester kuanzisha Aggrey Preparatory School (APS) mwaka 1934, Daudi Shushu alikuwa mmoja kati ya wanafunzi wa kwanza kujiunga na shule hiyo, ambako alijifunza kwa bidii kwa miaka minane, kufikia darasa la nane.