The book is about the investigation on the impact of Educational supervision on students' academic performance. Ward secondary schools should be well supervised so that to bring impact on students' academic performance meaning that, the government through Ministry of Education Science and Technology (MoEST) should assist in improving educational supervision in ward secondary schools especially in Ukerewe by providing enough teaching and learning materials and resources like science teachers, books for art and science subjects and also houses for teachers. Educational supervisors are reminded...