| Lundi Day Secondary School | Day | Mixed |
| Maai Mixed Day Secondary School | Day | Mixed |
| Maangani Mixed Secondary School | Day | Mixed |
| Major Muluvi -Kangweni | Day | Mixed |
| Makele Mixed Day Sec | Day | Mixed |
| Makongo Mixed Secondary School | Day | Mixed |
| Makutano Sec | Day | Mixed |
| Malalani Mixed Sec | Day | Mixed |
| Malatani Sec | Day | Mixed |
| Malili | Day | Mixed |
| Malioni | Day | Mixed |
| Maluma Secondary School | Day | Mixed |
| Malungu Secondary School | Day | Mixed |
| Mamole Secondary School | Day | Mixed |
| Mandala Mixed Day Secondary School | Day | Mixed |
| Mandongoi Mixed Day Secondary School | Day | Mixed |
| Mandove Secondary School | Day | Mixed |
| Manyoeni Mixed Day Secondary School | Day | Mixed |
| Masaani Mixed Day Secondary School | Day | Mixed |
| Masavi Mixed Day Sec. Sch. | Day | Mixed |
| Masukanioni Secondary School | Day | Mixed |
| Masyungwa Day Secondary School | Day | Mixed |
| Mataka Mixed Secondary School | Day | Mixed |
| Mathima Sec | Day | Mixed |
| Mathuki Secondary School | Day | Mixed |
| Mathyakani Secondary School | Day | Mixed |
| Matinyani Mixed Sec | Day | Mixed |
| Matooni Secondary School | Day | Mixed |
| Matu Mixed Day Secondary School | Day | Mixed |
| Mavindini Secondary School | Day | Mixed |
| Mbitini Complex High School | Day | Mixed |
| Mbitini Mixed Day Secondary School | Day | Mixed |
| Mbusyani | Day | Mixed |
| Mikongooni Secondary School | Day | Mixed |
| Mikuyumikya Secondary School | Day | Mixed |
| Mikuyuni Mixed Day Secondary School | Day | Mixed |
| Mitamisyi Secondary School | Day | Mixed |
| Mithiikwani Mixed Day Sec | Day | Mixed |
| Monguni Secondary School | Day | Mixed |
| Mosa Secondary School | Day | Mixed |
| Muamba Mixed | Day | Mixed |
| Muangeni Mixed Day Sec. Sch. | Day | Mixed |
| Mukameni Mixed Day Secondary School | Day | Mixed |
| Mukekeni Secondary School | Day | Mixed |
| Mukuthu Secondary School | Day | Mixed |
| Mulangoni Mixed Day Secondary School | Day | Mixed |
| Mulinde Day Secondary School | Day | Mixed |
| Mumbuni Secondary School | Day | Mixed |
| Munyange Secondary School | Day | Mixed |
| Musavani Secondary School | Day | Mixed |
| Muselele Mixed Secondary School | Day | Mixed |
| Muslim | Day | Mixed |
| Musosya Mixed Day Secondary School | Day | Mixed |
| Musovo Secondary School | Day | Mixed |
| Musukini Secondary School | Day | Mixed |
| Mutanda Mixed Day Secondary School | Day | Mixed |
| Mutha Sec | Day | Mixed |
| Muthale Mixed Sec School | Day | Mixed |
| Muthamo Sec | Day | Mixed |
| Muthioni Secondary School | Day | Mixed |
| Muthuka Secondary School | Day | Mixed |
| Muthungue Mixed Day/Boarding Secondary School | Day | Mixed |
| Mutito Mixed Day Secondary School | Day | Mixed |
| Mutonguni Secondary | Day | Mixed |
| Mutonya Secondary School | Day | Mixed |
| Mutukya | Day | Mixed |
| Mutulukuni | Day | Mixed |
| Mutwaathi Secondary School | Day | Mixed |
| Mutwangombe Secondary Schoo | Day | Mixed |
| Mwaathe Secondary School | Day | Mixed |
| Mwakini Mixed Day Secondary School | Day | Mixed |
| Mwalimu Mutua Maiyuku Sec | Day | Mixed |
| Mwambiu Mixed Day Secondary School | Day | Mixed |
| Mwambui Sec | Day | Mixed |
| Mwangala Secondary School | Day | Mixed |
| Mwangea Mixed Day Secondary School | Day | Mixed |
| Mwanianga Secondary School | Day | Mixed |
| Mwitika Mixed Sec | Day | Mixed |
| Ndatani Sec | Day | Mixed |
| Ndatani Secondary School | Day | Girls |
| Ndiamumo Secondary School | Day | Mixed |
| Ndilili Sec | Day | Mixed |
| Ndithi Secondary | Day | Mixed |
| Ngaaka Yakwa Mixed Sec | Day | Mixed |
| Ngaani Mixed Secondary School | Day | Mixed |
| Ngaani Secondary School | Day | Mixed |
| Ngalange Mixed Day Secondary School | Day | Mixed |
| Ngangani Mixed Day Secondary School | Day | Mixed |
| Ngieni Mixed Secondary School | Day | Mixed |
| Ngiini | Day | Mixed |
| Ngiluni Mbuvu Secondary School | Day | Mixed |
| Ngiluni Secondary School | Day | Mixed |
| Ngungani Secondary School | Day | Mixed |
| Ngungi Secondary School | Day | Mixed |
| Nguuni Hill Secondary School | Day | Mixed |
| Nguuni Secondary School | Day | Mixed |
| Ngwate Mixed Day Sec. Sch. | Day | Mixed |
| Nyaani Secondary School | Day | Mixed |
| Nyaanyaa Sec | Day | Mixed |
| Nyanyaa Mixed Secondary School | Day | Mixed |