| 251 |
Maliku Girls Secondary School |
Katulani |
Secondary |
| 252 |
Malili Secondary School |
Kitui Central |
Secondary |
| 253 |
Malioni Day Secondary School |
Mwingi Central |
Secondary |
| 254 |
Maluma Secondary School |
Ikutha |
Secondary |
| 255 |
Malungu Secondary School |
Katulani |
Secondary |
| 256 |
Mamole Secondary School |
Lower Yatta |
Secondary |
| 257 |
Mandala Mixed Day |
Kyuso |
Secondary |
| 258 |
Mandongoi Secondary School |
Lower Yatta |
Secondary |
| 259 |
Mangelu Mixed Secondary School |
Kitui West |
Secondary |
| 260 |
Manyoeni Secondary School |
Mutito North |
Secondary |
| 261 |
Masaani Mixed Secondary School |
Lower Yatta |
Secondary |
| 262 |
Masavi Boys Secondary School |
Mwingi East |
Secondary |
| 263 |
Masavi Girls Secondary School |
Mwingi East |
Secondary |
| 264 |
Masimba Mixed Secondary School |
Lower Yatta |
Secondary |
| 265 |
Masukanioni Secondary School |
Mumoni |
Secondary |
| 266 |
Masyungwa Secondary School |
Tseikuru |
Secondary |
| 267 |
Mataka Secondary School |
Kyuso |
Secondary |
| 268 |
Mathuki Secondary School |
Mwingi East |
Secondary |
| 269 |
Mathyakani Secondary School |
Mwingi East |
Secondary |
| 270 |
Matinyani Boys Secondary School |
Matinyani |
Secondary |
| 271 |
Matinyani Mixed Secondary School |
Matinyani |
Secondary |
| 272 |
Matooni Mixed Secondary School |
Kyuso |
Secondary |
| 273 |
Matu Mixed Day Secondary School |
Lower Yatta |
Secondary |
| 274 |
Mavindini Secondary School |
Katulani |
Secondary |
| 275 |
Mbitini Complex High School |
Kisasi |
Secondary |
| 276 |
Mbitini Girls Secondary School |
Kisasi |
Secondary |
| 277 |
Mbitini Mixed Secondary School |
Kisasi |
Secondary |
| 278 |
Mbondoni Mixed Secondary School |
Mwingi Central |
Secondary |
| 279 |
Mbusyani Mixed Day Secondary School |
Kitui Central |
Secondary |
| 280 |
Migwani Boys Secondary School |
Mwingi West |
Secondary |
| 281 |
Mikongooni Secondary School |
Ikutha |
Secondary |
| 282 |
Mikuyu Mikya Day |
Matinyani |
Secondary |
| 283 |
Mikuyuni Mixed Day |
Mutito North |
Secondary |
| 284 |
Mitamisyi Mixed Secondary School |
Kyuso |
Secondary |
| 285 |
Mithiikwani Mixed Secondary School |
Matinyani |
Secondary |
| 286 |
Mivukoni Secondary School |
Kyuso |
Secondary |
| 287 |
Monguni Secondary School |
Ikutha |
Secondary |
| 288 |
Mosa Secondary School |
Kisasi |
Secondary |
| 289 |
Muamba Mixed Secondary School |
Mutomo |
Secondary |
| 290 |
Muangeni Secondary School |
Mwingi East |
Secondary |
| 291 |
Mui Boys Secondary School |
Mwingi East |
Secondary |
| 292 |
Mukameni Secondary School |
Kisasi |
Secondary |
| 293 |
Mukekeni Secondary School |
Mumoni |
Secondary |
| 294 |
Mukuthu Secondary School |
Mwingi Central |
Secondary |
| 295 |
Mulango Girls Secondary School |
Katulani |
Secondary |
| 296 |
Mulangoni Secondary School |
Tseikuru |
Secondary |
| 297 |
Mulinde Secondary School |
Mwingi East |
Secondary |
| 298 |
Mulutu Girls Secondary School - St. Monica Girls Secondary School |
Kitui Central |
Secondary |
| 299 |
Mumbuni Secondary School |
Mwingi Central |
Secondary |
| 300 |
Munyange Mixed Secondary School |
Mwingi Central |
Secondary |