ABSTRACT
The lthe government tries to provide to all Kenyan citizens includinJ those with special need education for all (A.F.A.) in the year 2015. The policy created ~''opportunity to the mentally disable children who were perceived incapable academically to go to school, so the researcher's interest was to investigate theacademic performance of these mentally challenged learners, in some selected regular primary school in Kegonga Division, Kuria District.During the research, she formulated her objectives and prepared the questionnaires for the headteachers, where she sent then to seven schools that the research was to be carried out. After collecting the date she interpreted and did some analysis where she found that the mentally challenged lea1T1er h.1ri lr'·:·performance as coMpared to the ordinary learners and coulcJ 10l '"c~;·n up to 5TL'5. The researcher a;so gathered more information on what other r·esearchers had written on the same area, and she recommended on more research to be done on the same area of academic performance of the mentally challenged learners.