The Best Secondary Schools in Tharaka - Nithi County 2010
| School | No. of students | Mean Grade | No. of As |
|---|---|---|---|
| Materi Girls' | 90 | 9.00 | 2 |
| Mukothima Girls Sec | 69 | 6.50 | 0 |
| Gatunga Sec | 77 | 6.00 | 0 |
| County Education Centre | 17 | 5.63 | 0 |
| Kaanyaga Sec | 27 | 5.30 | 0 |
| Wiru Secondary School | 29 | 5.25 | 0 |
| Chiakariga Girls Sec | 39 | 5.00 | 0 |
| Gaciongo Sec | 34 | 4.40 | 0 |
| Gituntu Day Sec Sch | 34 | 4.30 | 0 |
| Abc Nkondi Girls Sec | 18 | 4.25 | 0 |
| Kamwathu Sec | 20 | 3.88 | 0 |
| Kathangachini Sec | 18 | 3.63 | 0 |
| Tunyai Day Sec School | 20 | 3.29 | 0 |
| Marimanti Girls Sec | 13 | 3.00 | 0 |