| 251 |
Mukuiru Mixed Day |
Tigania East |
Secondary |
| 252 |
Mukululu Day Secondary School |
Igembe Central |
Secondary |
| 253 |
Mukuune Secondary School |
Meru Central |
Secondary |
| 254 |
Mulathankari Day Secondary School |
Imenti East |
Secondary |
| 255 |
Mulathankari Girls Secondary School |
Imenti East |
Secondary |
| 256 |
Munithu Girls Secondary School |
Imenti East |
Secondary |
| 257 |
Munithu Mixed Day Secondary School |
Imenti East |
Secondary |
| 258 |
Murathi Mixed Day Secondary School |
Meru Central |
Secondary |
| 259 |
Murembu Day Secondary School |
Igoji |
Secondary |
| 260 |
Murera Secondary School |
Kiengu |
Secondary |
| 261 |
Muri Secondary School |
Meru Central |
Secondary |
| 262 |
Muringene Mixed Day Secondary School |
Igembe Central |
Secondary |
| 263 |
Murinya Day Secondary School |
Buuri East |
Secondary |
| 264 |
Muromutua Mixed Secondary School |
Mutuati |
Secondary |
| 265 |
Muruugi Mixed Secondary School |
Meru Central |
Secondary |
| 266 |
Mutewa Mixed Day |
Tigania East |
Secondary |
| 267 |
Muthangene Day Secondary School |
Meru Central |
Secondary |
| 268 |
Muthara Mixed Day |
Tigania East |
Secondary |
| 269 |
Mutiokiama Secondary School |
Abogeta |
Secondary |
| 270 |
Mutionjuri Mixed Day Secondary School |
Tigania West |
Secondary |
| 271 |
Mutuati Secondary School |
Igembe North |
Secondary |
| 272 |
Mutunguru Day Secondary School |
Igoji |
Secondary |
| 273 |
Mutuuma Mixed Secondary School |
Buuri East |
Secondary |
| 274 |
Mwanganthia Secondary School |
Meru Central |
Secondary |
| 275 |
Mwanika Day Secondary School |
Tigania West |
Secondary |
| 276 |
Mwerokieni Day Secondary School |
Tigania East |
Secondary |
| 277 |
Mweromuthanga Mixed Day |
Tigania East |
Secondary |
| 278 |
Mwerongundu Secondary School |
Igembe North |
Secondary |
| 279 |
Mweronkoro Day Secondary School |
Tigania West |
Secondary |
| 280 |
Mweru Mixed Secondary School |
Igoji |
Secondary |
| 281 |
Mwirine Mixed Secondary School |
Imenti North |
Secondary |
| 282 |
Mwiteria Mixed Secondary School |
Imenti North |
Secondary |
| 283 |
Mwithimwiru Secondary School |
Imenti East |
Secondary |
| 284 |
Mworoga Day Secondary School |
Igoji |
Secondary |
| 285 |
Naari Secondary School |
Buuri East |
Secondary |
| 286 |
Naathu Secondary School |
Igembe North |
Secondary |
| 287 |
Naikuriu Secondary School |
Igembe North |
Secondary |
| 288 |
Nairiri Secondary School |
Tigania West |
Secondary |
| 289 |
Nairuru Day Secondary School |
Mutuati |
Secondary |
| 290 |
Nchuui Day Secondary School |
Tigania East |
Secondary |
| 291 |
Ncoroiboro Day Mixed Day |
Buuri East |
Secondary |
| 292 |
Ndagene Secondary School |
Abogeta |
Secondary |
| 293 |
Ndoleli Day Secondary School |
Igembe North |
Secondary |
| 294 |
Ngage Mixed Day |
Tigania Central |
Secondary |
| 295 |
Ngare Ndare Mixed Day Secondary School |
Buuri West |
Secondary |
| 296 |
Ngiine Day Secondary School |
Imenti East |
Secondary |
| 297 |
Ngonyi Boys Secondary School |
Imenti North |
Secondary |
| 298 |
Nguchia Mixed Day Secondary School |
Meru Central |
Secondary |
| 299 |
Ngukwine Secondary School |
Mutuati |
Secondary |
| 300 |
Ngusishi Secondary School |
Buuri East |
Secondary |