In Kenya, the grading system varies according to overall performance of candidates in the national exam called Kenya Certificate of Secondary Education (KCSE).
For example, in 2006, a mean grade of A corresponded with 76 and upwards percentage points, while in 2007 it changed to 81 and upwards points. However, generally, the grading system is as follows:
Examinees are awarded an overall grade for the subjects examined. Students sit for 7, 8, or 9 subjects, but the overall grade and points are calculated from 7 subjects, as follows:
References
Academic grading in Kenya Wikipedia(Text) CC BY-SA