Moi Siongiroi Girls High School managed a mean score of 8.3 (B- minus) in the 2019 Kenya Certificate of Secondary Education, KCSE, examination to lead other schools in Bomet County. The school took position 65 nationally.
The second and third positions were scooped by Tenwek High School and Kaplong girls high school; respectively.
Here is a list of the KCSE 2019 best schools in the County:
| Pos in County | School | KCSE 2019 Mean | County | Pos Nationally |
| 1 | Moi Siongiroi Girls | 8.3 | Bomet | 65 |
| 2 | Tenwek High School | 7.79 | Bomet | 96 |
| 3 | Kaplong Girls High School | 7.79 | Bomet | 98 |
| 4 | Kaplong Boys High | 7.7 | Bomet | 110 |
| 5 | Kamureito Secondary | 7.5 | Bomet | 126 |
| 6 | Saseta Girls High School | 7.15 | Bomet | 154 |
