2022/2023 KCSE top, best schools in Kitui County; Official list
| Position Nationally | Name of School | Mean Score | Region | County | Mean Grade |
| 24 | Matinyani Secondary | 9.942 | Eastern | Kitui | B+{plus} |
| 48 | Kitui School | 9.312 | Eastern | Kitui | B{plain} |
| 106 | AIC Sombe Girls | 8.545 | Eastern | Kitui | B{plain} |
| 136 | ST CHARLES LWANGA SCHOOL KITUI | 8.18 | Eastern | Kitui | B-{minus) |
| 142 | MUTHALE GIRLS HIGH | 8.11 | Eastern | kitui | B-{minus) |
| 155 | KISASI SECONDARY | 7.965 | Eastern | kitui | B-{minus) |
| 237 | ST ANGELAS GIRLS SECONDARY | 6.935 | Eastern | Kitui | C+{plus} |
