| Mark Matunga Kiwa Secondary School | Day | Mixed |
| Masogo Mixed Secondary School | Day | Mixed |
| Mbani Mixed Secondary School | Day | Mixed |
| Miramba Mixed Secondary School | Day | Mixed |
| Mithui Mixed Secondary School | Day | Mixed |
| Mititi Secondary School | Day | Mixed |
| Miyuga Mixed Secondary School | Day | Mixed |
| Msare Mixed Secondary School | Day | Mixed |
| Mwiraria Mixed Secondary School | Day | Mixed |
| Ndisi Mixed Secondary School | Day | Mixed |
| Ngere Mixed Secondary School | Day | Mixed |
| Ngeri Mixed | Day | Mixed |
| Ngeta Mixed Secondary School | Day | Mixed |
| Ngodhe Secondary School | Day | Mixed |
| Nyabola Mixed Secondary School | Day | Mixed |
| Nyadenda Secondary School | Day | Mixed |
| Nyafare Mixed Secondary School | Day | Mixed |
| Nyagidha Mixed Secondary School | Day | Mixed |
| Nyagowa Lutheran Mixed Secondary School | Day | Mixed |
| Nyagwethe Mixed Secondary School | Day | Mixed |
| Nyajanja Secondary School | Day | Mixed |
| Nyakahia Mixed Secondary School | Day | Mixed |
| Nyakechi Mixed Secondary School | Day | Mixed |
| Nyakiya Mixed Secondary School | Day | Mixed |
| Nyakiya Mixed Secondary School | Day | Mixed |
| Nyakwadha Mixed Secondary School | Day | Mixed |
| Nyakweri Mixed Secondary School | Day | Mixed |
| Nyalenda Mixed Secondary School | Day | Mixed |
| Nyalkinyi Mixed Secondary School | Day | Mixed |
| Nyamadede Mixed Secondary School | Day | Mixed |
| Nyambare Secondary School | Day | Mixed |
| Nyamwaga E.L.C.K Mixed Secondary School | Day | Mixed |
| Nyandema Mixed Secondary School | Day | Mixed |
| Nyandeng’A Mixed Secondary School | Day | Mixed |
| Nyandiwa Mixed Secondary School | Day | Mixed |
| Nyandiwa Mixed Secondary School | Day | Mixed |
| Nyang’Iela Secondary School | Day | Mixed |
| Nyarongi Mixed Secondary School | Day | Mixed |
| Nyasore Mixed Secondary School | Day | Mixed |
| Nyatindo Mixed Secondary School | Day | Mixed |
| Nyatoto Mixed Secondary School | Day | Mixed |
| Nyawita Secondary School | Day | Mixed |
| Nyenga Mixed Secondary School | Day | Mixed |
| Obisa Mixed Secondary School | Day | Mixed |
| Odienya Mixed Secondary School | Day | Mixed |
| Ogande Mixed Secondary School | Day | Mixed |
| Ogango Mixed Secondary School | Day | Mixed |
| Ogenya Secondary School | Day | Girls |
| Ogilo Secondary School | Day | Mixed |
| Ogola Jaseme Kamayoge Mixed | Day | Mixed |
| Ojijo Oteko Secondary School | Day | Mixed |
| Ojode Unga Secondary School | Day | Mixed |
| Okok Mixed Secondary School | Day | Mixed |
| Okota Mixed Secondary School | Day | Mixed |
| Oluso Mixed Secondary School | Day | Mixed |
| Ombek Lutheran Mixed Secondary School | Day | Mixed |
| Omboga High School | Day | Mixed |
| Ominde Mixed Secondary School | Day | Mixed |
| Omoche Secondary School | Day | Mixed |
| Ondati Mixed Secondary School | Day | Mixed |
| Ongako Mixed Secondary School | Day | Mixed |
| Ongang Mixed Secondary School | Day | Mixed |
| Ongeti Mixed Secondary School | Day | Mixed |
| Ongoro Mixed Secondary School | Day | Mixed |
| Onywera Boys Secondary School | Day | Boys |
| Opinde Mixed Day Secondary School | Day | Mixed |
| Orera Mixed Secondary School | Day | Mixed |
| Oridi Girls Secondary School | Day | Girls |
| Orinde Lutheran Secondary School | Day | Mixed |
| Osodo Mixed Secondary School | Day | Mixed |
| Osure Mixed Secondary School | Day | Mixed |
| Otange Mixed Secondary School | Day | Mixed |
| Otel Mixed Secondary School | Day | Mixed |
| Otieno Kajwang Nyamaji Mixed Secondary School | Day | Mixed |
| Otok Mixed Secondary School | Day | Mixed |
| Otondo Mixed Secondary School | Day | Mixed |
| Ototo Secondary School | Day | Mixed |
| Owiro Secondary School | Day | Mixed |
| Oyombe Mixed Secondary School | Day | Mixed |
| Pala Mixed Secondary School | Day | Mixed |
| Pala Mosogo Mixed Secondary School | Day | Mixed |
| Pap Ndege Mixed Secondary School | Day | Girls |
| Paul Mboya High School | Day | Mixed |
| Ponge Lutheran Mixed Secondary School | Day | Mixed |
| Professor Karega Mutahi Secondary School | Day | Mixed |
| Rabuor Masawa Secondary School | Day | Mixed |
| Ragwe Mixed Secondary School | Day | Mixed |
| Rapedhi Secondary School | Day | Mixed |
| Rapora Mixed Secondary School | Day | Mixed |
| Rarage Secondary School | Day | Mixed |
| Riwa Mixed Secondary School | Day | Mixed |
| Rowo Mixed Secondary School | Day | Girls |
| Ruga Mixed Secondary School | Day | Mixed |
| Samanga Lutheran Mixed Secondary School | Day | Mixed |
| Saye Mixed Secondary School | Day | Mixed |
| Seka Mixed Secondary School | Day | Mixed |
| Sero Mixed Day Secondary School | Day | Mixed |
| Siany Lutheran Secondary School | Day | Mixed |
| Sigama Mixed Secondary School | Day | Mixed |
| Simbi Mixed Secondary School | Day | Mixed |