| 51 |
Ilika Mixed Secondary School |
Lower Yatta |
Secondary |
| 52 |
Ipc Mathuma Secondary School |
Mwingi Central |
Secondary |
| 53 |
Isaa Mixed Secondary School School |
Mutomo |
Secondary |
| 54 |
Itendeu Secondary School |
Mwingi Central |
Secondary |
| 55 |
Ithangathi Girls Secondary School |
Mutito |
Secondary |
| 56 |
Ithiani Mixed Day Secondary School |
Kitui Central |
Secondary |
| 57 |
Ithumbi Secondary School |
Mwingi Central |
Secondary |
| 58 |
Itiko Mixed Day Secondary School |
Mutito North |
Secondary |
| 59 |
Itiko Precious Secondary School |
Mwingi East |
Secondary |
| 60 |
Itivanzou Secondary School |
Kyuso |
Secondary |
| 61 |
Itoleka Girls Secondary School |
Katulani |
Secondary |
| 62 |
Itoloni Girls Secondary School |
Mwingi West |
Secondary |
| 63 |
Itoloni Mixed Day Secondary School |
Mwingi West |
Secondary |
| 64 |
Itongolani Mixed Secondary School |
Mwingi Central |
Secondary |
| 65 |
Ivaini Secondary School |
Kitui Central |
Secondary |
| 66 |
Ivonangya Secondary School |
Kyuso |
Secondary |
| 67 |
Ivuusya Secondary School |
Mwingi East |
Secondary |
| 68 |
James Ndonyi Memorial |
Ikutha |
Secondary |
| 69 |
Kaai Girls Secondary School |
Mwingi East |
Secondary |
| 70 |
Kaatene Kaatene Secondary School |
Mutomo |
Secondary |
| 71 |
Kabaa Day Mixed |
Kitui Central |
Secondary |
| 72 |
Kabati Secondary School |
Mutito |
Secondary |
| 73 |
Kaela Secondary School |
Mwingi Central |
Secondary |
| 74 |
Kairungu Secondary School |
Mwingi Central |
Secondary |
| 75 |
Kakeani Secondary School |
Kitui West |
Secondary |
| 76 |
Kakongo Secondary School |
Mwingi Central |
Secondary |
| 77 |
Kakululo Secondary School |
Mwingi West |
Secondary |
| 78 |
Kakumuti Mixed Day |
Kitui West |
Secondary |
| 79 |
Kalalani Girls Secondary School |
Mutito |
Secondary |
| 80 |
Kalambani Secondary School |
Mutomo |
Secondary |
| 81 |
Kalanga Mixed Day Secondary School |
Mwingi East |
Secondary |
| 82 |
Kalatine Girls Secondary School |
Mumoni |
Secondary |
| 83 |
Kaliakakya Secondary School |
Kitui Central |
Secondary |
| 84 |
Kaliani Secondary School |
Mutomo |
Secondary |
| 85 |
Kaliku Secondary School |
Mutito North |
Secondary |
| 86 |
Kaliluni Mixed Day Secondary School |
Mwingi West |
Secondary |
| 87 |
Kalimani Secondary School |
Matinyani |
Secondary |
| 88 |
Kalimbui Mixed Day Secondary School |
Tseikuru |
Secondary |
| 89 |
Kalinditi Secondary School |
Kitui West |
Secondary |
| 90 |
Kalisasi Day Secondary School |
Mwingi Central |
Secondary |
| 91 |
Kalitini Secondary School |
Mwingi East |
Secondary |
| 92 |
Kalivu Secondary School |
Ikutha |
Secondary |
| 93 |
Kaliwa Secondary School |
Mumoni |
Secondary |
| 94 |
Kalonzo Secondary School |
Kyuso |
Secondary |
| 95 |
Kaluasi Mixed Secondary School |
Mutomo |
Secondary |
| 96 |
Kaluki Ngilu Girls |
Katulani |
Secondary |
| 97 |
Kalulini Mixed Day Secondary School |
Lower Yatta |
Secondary |
| 98 |
Kaluva Secondary School |
Nzambani |
Secondary |
| 99 |
Kalwa Secondary School |
Kyuso |
Secondary |
| 100 |
Kamandio Girls Secondary School |
Kitui Central |
Secondary |