The Best Secondary Schools in Mumbuni School Zone 2010
| School | No. of students | Mean Grade | No. of As |
|---|---|---|---|
| Machakos Girls High Sch | 174 | 7.40 | 1 |
| Mumbuni Girls Sec | 54 | 6.38 | 0 |
| Machakos Academy Girls High School | 30 | 6.14 | 0 |
| Kusyomuomo Sec | 35 | 4.67 | 0 |
| Kyambuko Sec | 40 | 3.22 | 0 |
| Kithaayoni Sec | 13 | 3.17 | 0 |
| Brightway Girls Sec | 21 | 3.00 | 0 |
| Upper Kitanga Sec | 23 | 2.57 | 0 |
| Mutituni Sec | 44 | 2.50 | 0 |