2022/2023 KCSE top, best schools in Kiambu County
| Pos Nationally | Name of School | Mean Score | Region | County | Mean Grade |
| 4 | ALLIANCE GIRLS | 10.52 | Central | Kiambu | A-{minus} |
| 10 | Mang’u High | 10.336 | Central | Kiambu | B+{plus} |
| 16 | Alliance High School | 10.2 | Central | Kiambu | B+{plus} |
| 57 | MaryHill Girls | 9.23 | Central | Kiambu | B{plain} |