Prof. Kitainge Kisilu, Dr. Lydia Kipkoech, Benson Chege Njuguna. MANAGERIAL SKILLS THAT PRIMARY SCHOOL HEAD TEACHERS IN MARAKWET WEST SUB-COUNTY REQUIRED IN-SERVICE TRAINING BEFORE ENROLLING FOR THE KEMI DIPLOMA IN EDUCATIONAL MANAGEMENT COURSE. EPRA International Journal of Multidisciplinary Research (IJMR) 2023, 9, 318-321.