| Name of School | Total enrolment | Type of School | Status of School | Name of County | Name of Sub County |
| ST.LINUS ETAGO D.O.K GIRLS | 167 | Boarding Girls | Sub County | Kisii | ETAGO |
| Riagumo secondary school | 235 | Mixed Boarding | Sub County | Kisii | Etago |
| IKOBA MIXED SECONDARY SCHOOL | 176 | MIXED DAY/BOARDING | County | Kisii | ETAGO |
| Moticho | 72 | Girls day and boarding | Sub County | Kisii | Etago |
| St Peter’s nyangweta DOK sec school | 235 | Mixed day/boarding | Sub County | Kisii | Etago |
| Mesocho secondary School | 201 | Day | Sub County | Kisii | Etago |
| Maroo Esinde sec school | 369 | Mix day | Sub County | Kisii | Etago |
| St.Fabian Makara DOK | 125 | Day | Sub County | Kisii | Etago |
| Ndonyo mix school. | 816 | Mixed boarding/day | Sub County | Kisii | Etago |
| Nyaimera ELCK secondary school | 318 | Mixed Boarding | Sub County | Kisii | Etago |
| Nyasasa SDA Mixed Secondary School | 250 | Mixed Boarding | Sub County | Kisii | Etago |
| Ayora Mixed Secondary School | 652 | Mixed day and Boarding | Sub County | Kisii | Etago |
| Kiendege secondary School | 221 | Day | Sub County | Kisii | Etago |
| Bogichoncho Secondary | 198 | Mixed day & Boarding | Sub County | Kisii | Etago |
| Nyabine ceb mixed secondary | 295 | mixed day/boarding | Sub County | Kisii | Etago |
| NYATWONI SDA | 224 | Day | Sub County | Kisii | ETAGO |
| NCHORO SDA SEC. | 136 | MIXED DAY | Sub County | Kisii | ETAGO |
| Muma Mixed | 168 | Mixed Boarding | Sub County | Kisii | Etago |
| Mariwa mixed Secondary school | 319 | Mixed Boarding/Day | Sub County | Kisii | Etago |
| Nyamondo secondary school | 289 | Mixed Day | Sub County | Kisii | ETAGO |
| Maroba Sec. School | 240 | Day | Sub County | Kisii | Gucha |
| St Camillus Nyamoronga secondary school | 173 | Mixed day and boarding | Sub County | Kisii | Gucha |
| Nyataro secondary | 313 | Mixed Boarding | Sub County | Kisii | Gucha |
| Nyamonyo secondary school | 225 | Mixed Boarding | County | Kisii | Gucha |
| Gakero ELCK | 496 | Mixed Boarding | Sub County | Kisii | Gucha |
| BOMBABA SECONDARY SCHOOL | 330 | Mixed Boarding | Sub County | Kisii | GUCHA |
| Buyonge Secondary | 215 | Mixed Boarding | Sub County | Kisii | Gucha |
| Kineni pefa mixed sec. | 167 | Mixed Boarding | Sub County | Kisii | Gucha |
| Machongo PAG sec school | 650 | Mixed Boarding | Sub County | Kisii | Gucha |
| Kebere mixed sda secondary | 58 | Day | Sub County | Kisii | Gucha |
| Nyakorere PAG Sec School | 150 | Day | Sub County | Kisii | Gucha South |
| Amaiko sda secondary school | 802 | Mixed day and boarding | Sub County | Kisii | Gucha South |
| Gotichaki e.l.c.k.secondary school | 232 | Day | Sub County | Kisii | Gucha south |
| Giasobera SDA high school | 205 | Day | Sub County | Kisii | Gucha South |
| Nyachenge ELCK secondary | 213 | Mixed day/ boarding | Sub County | Kisii | Gucha south |
| Nyakembene SDA mixed | 240 | Mixed Boarding | Sub County | Kisii | Gucha south |
| St Francisca Nyamonaria DOK sec | 325 | Boarding Girls/Day | County | Kisii | Gucha south |
| Ramoya Hill Girls High school | 212 | Boarding Girls | County | Kisii | Gucha South |
| N | 905 | Boarding Boys | Extra County | Kisii | Gucha South |
| Tabaka boys high school | 354 | Boarding Boys | Extra County | Kisii | Gucha south |
| Riosiri sec school | 316 | Mixed Boarding | County | Kisii | Gucha South |
| ST JOSEPH’S KIORORI SEC SCHOOL | 153 | Day | Sub County | Kisii | GUCHA SOUTH |
| Tabaka Township Mixed Secondary School | 99 | Day | Sub County | Kisii | Gucha South |
| ST Mary’s nyabigena girls | 413 | Day /boarding girls | Sub County | Kisii | Gucha south |
| Nyamue secondary | 230 | Mixed Boarding | Sub County | Kisii | Gucha south |
| Marongo PAG mixed sec school | 114 | Mixed Boarding | Sub County | Kisii | Gucha South |
| Kiabigoria sec school | 583 | Mixed Boarding | County | Kisii | Gucha south |
| Getuki mixed sec | 305 | Mixed Boarding | Sub County | Kisii | Gucha sub-county |
| Nyagenke Deb sec school. | 271 | Day | Sub County | Kisii | Gucha. |
| Mokubo SDA High School | 877 | Mixed Boarding | County | Kisii | Kenyenya |
| Riokindo Boys High School | 1985 | Boarding Boys | Extra County | Kisii | Kenyenya |
| Rianyanchabera Sec school | 107 | Day | Sub County | Kisii | Kenyenya |
| St Francis Metembe Sec sch | 140 | Day | Sub County | Kisii | Kenyenya |
| Magenge SDA mixed secondary | 848 | Mixed day and boarding | Sub County | Kisii | Kenyenya |
| Mochorwa sec. school | 407 | Mixed Boarding | Sub County | Kisii | Kenyenya |
| Omobera Sda Girls sec school | 294 | Boarding Girls | County | Kisii | kenyenya |
| St. Mary’s Nyabiore girls | 444 | Boarding Girls | County | Kisii | Kenyenya |
| Riokindo Girls High School | 680 | Boarding Girls | County | Kisii | Kenyenya |
| NYANGETI MIXED SEC.SCHOOL | 126 | Mixed day | Sub County | Kisii | KENYENYA |
| Gekongo11deb sec school | 126 | Day | Sub County | Kisii | Kenyenya |
| Nyaibate COG Secondary School | 170 | Day | Sub County | Kisii | Kenyenya |
| Moteiribe sec school | 1067 | Mixed day/boarding | County | Kisii | Kenyenya |
| Endereti mixed secondary school | 124 | Day | Sub County | Kisii | Kenyenya |
| Ritembu Sec school | 201 | Mixed day | Sub County | Kisii | Kenyenya |
| Gesabakwa SDA mixed | 167 | Day | Sub County | Kisii | Kenyenya |
| Magenta girls | 302 | Boarding Girls | County | Kisii | Kenyenya |
| St Joseph’s Etono mixed secondary | 180 | Day | Sub County | Kisii | Kenyenya |
| Nyamesocho DOK Secondary school | 245 | Boarding Boys | County | Kisii | KENYENYA |
| Mesabakwa Sec school | 335 | Mixed Boarding | Sub County | Kisii | Kenyenya |
| Mobirona secondary school | 189 | mixed day and boarding | Sub County | Kisii | Kenyenya |
| ITIBO ELCK SECONDARY SCHOOL | 237 | Mixed Boarding | County | Kisii | Kisi South |
| Nyakeyo mixed secondary | 245 | Mixed Boarding | Sub County | Kisii | Kisii |
| Nyanchwa girls high school | 582 | Boarding Girls | Extra County | Kisii | Kisii central |
| Ibeno cog secondary school | 306 | Mixed Boarding | Sub County | Kisii | Kisii central |
| Gianchere friends sec. | 788 | Mixed day | Sub County | Kisii | Kisii central |
| Amariba mixed sec | 513 | Mixed Day Boarding | Sub County | Kisii | Kisii central |
| Nyaura DEB sec.school | 308 | Day | Sub County | Kisii | Kisii central |
| Nyamemiso mixed sec.school | 152 | Day | Sub County | Kisii | Kisii central |
| Boronyi Mixed Secondary School | 110 | Day | Sub County | Kisii | Kisii Central |
| Nyataro cog sec School | 164 | Day | Sub County | Kisii | Kisii central |
| St. Vincent De Paul Nyanko Secondary School | 176 | Mixed Day and Boarding | Sub County | Kisii | Kisii Central |
| Nyankororo SDA Mixed Secondary | 106 | Day | Sub County | Kisii | Kisii Central |
| KEOKE FRIENDS SECONDARY | 131 | Day | Sub County | Kisii | KISII CENTRAL |
| ST. STEPHEN’S NYAMWARE SECONDARY SCHOOL | 438 | Mixed day and boarding | Sub County | Kisii | KISII CENTRAl |
| Gianchere Friends High School | 783 | Mixed Boarding | Sub County | Kisii | Kisii Central |
| BORUMA SECONDARY SCHOOL | 121 | MIXED DAY AND BOARDING | Sub County | Kisii | KISII CENTRAL |
| Bobaracho mixed sec school | 400 | Mxed day boarding | Sub County | Kisii | Kisii central |
| Nyaguta sec school | 524 | Mixed Day and Boarding | Sub County | Kisii | Kisii Central |
| Masongo Mixed sec.school | 467 | Day | Sub County | Kisii | Kisii Central |
| Nyamagwa SDA Sec | 555 | Mixed Boarding | Extra County | Kisii | kisii Central |
| Isamwera mixed sec school | 300 | Mixed day and boarding | County | Kisii | Kisii south |
| E.L.C.K. ITIERIO BOYS HIGH SCHOOL | 683 | Boarding Boys | Extra County | Kisii | KISII SOUTH |
| Bitare SDA Mixed Secondary School | 121 | Mixed day/Boarding | Sub County | Kisii | Kisii South |
| KIABUSURA DOK SEC | 432 | Mixed day & boarding | County | Kisii | Kisii south |
| Sugunana sec | 268 | Day | Sub County | Kisii | Kisii south |
| St. Paul’s Igonga DOK secondary | 624 | Boarding Boys | Extra County | Kisii | Kisii South |
| St Francis Nyasagati secondary | 562 | Mixed day and boarding | Sub County | Kisii | Kisii south |
| Rianyabaro Centre Of Excellence | 160 | Mixed Boarding | County | Kisii | Kisii South |
| St Peter’s Suneka Sec | 686 | Mixed Boarding | Extra County | Kisii | Kisii South |
| St.charles lwanga gesero sec school | 979 | Mixed Boarding | Sub County | Kisii | Kisii south |
| Mosando SDA Sec School | 121 | Day | Sub County | Kisii | Kisii South |
| Bishop Mugendi Nyamokenye sec sch | 859 | Also day | Extra County | Kisii | Kisii south |
| St. Andrew’s Mogumo Secondary | 392 | Day | Sub County | Kisii | Kisii South |
| Nyabimwa mixed sec. School | 124 | Day | Sub County | Kisii | Kisii South |
| Bogitaa Elck mixed secondary school | 333 | Mixed day and boarding | Sub County | Kisii | Kisii south |
| Bonyaoro girls secondary school | 125 | Mixed day | Sub County | Kisii | Kisii south |
| Botoro ELCK mixed secondary | 648 | Mixed Day/Boarding | County | Kisii | Kisii south |
| St Raphael Nyangena Secondary School | 121 | Day | Sub County | Kisii | Kisii South |
| St Vincent Omwari sec School | 812 | Mixed day and boarding | County | Kisii | Kisii South |
| St. Theresa’s Bogiakumu Sec School | 426 | Mixed Day | Sub County | Kisii | Kisii South |
| Ekerubo DEB secondary school | 369 | Mixed Boarding | County | Kisii | kisii South |
| Riamonting’a sec.school | 273 | Day | Sub County | Kisii | Kisii South |
| ELCK Itierio Girls Secondary school | 764 | Boarding Girls | Extra County | Kisii | Kisii South |
| St Lawrence Nyabieyo secondary school | 123 | Day | Sub County | Kisii | Kisii South Sub County |
| St.Alexander Nyamecheo | 220 | Day | Sub County | Kisii | KisiiCentral |
| Genga Dok sec school | 185 | Day | Sub County | Kisii | Kisiii south |
| Darajambili mixed sec school | 762 | Day | Sub County | Kisii | Kitutu |
| Kioge Girls secondary | 505 | Boarding Girls | County | Kisii | KITUTU CENTRAL |
| St Luke’s kanunda mixed sec. Sch | 577 | Day | Sub County | Kisii | kitutu centrai |
| ST.AMBROSE NYAORE SECONDARY SCHOOL | 230 | Mixed Day | Sub County | Kisii | KITUTU CENTRAL |
| Queen Of Apostles,Kanyimbo Mixed Sec. Sch. | 354 | Day | Sub County | Kisii | Kitutu Central |
| Nyatieko secondary school | 478 | Mixed Boarding | County | Kisii | Kitutu central |
| Nyagisai mixed secondary school | 125 | Day | Sub County | Kisii | Kitutu central |
| Nyamatuta mixed sec school | 203 | Day | Sub County | Kisii | Kitutu Central |
| st. Philip’s Matieko sec school | 152 | Day | Sub County | Kisii | Kitutu Central |
| Bogeka PAG Sec.School | 245 | Day | Sub County | Kisii | Kitutu Central |
| Nyakeogiro Secondary School | 218 | Day | Sub County | Kisii | KITUTU CENTRAL |
| Nyabururu girls’ High school | 2050 | Boarding Girls | National | Kisii | Kitutu Central |
| Raganga Secondary | 89 | Mixed Day | Sub County | Kisii | Kitutu Central |
| St.Lawrence kiong’ongi sec school | 123 | Day | Sub County | Kisii | Kitutu central |
| KIOGO MIXED SECONDARY SCHOOL | 304 | Day | Sub County | Kisii | KITUTU CENTRAL |
| Riotero SDA Sec school | 488 | Mixed day | Sub County | Kisii | Kitutu Central |
| Getembe Sec school | 368 | Day | Sub County | Kisii | Kitutu Central |
| Keore Secondary school | 240 | Day | Sub County | Kisii | Kitutu Central |
| St. Patrick’s day sec Mosocho | 833 | Day | Sub County | Kisii | Kitutu central |
| KEOKE FRIENDS MIXED SECONDARY SCHOOL | 131 | Day | Sub County | Kisii | KKISII CENTRAL |
| St Pauls Gekano boys | 508 | Boarding Boys | Extra County | Kisii | Manga |
| Nyakoora Secondary School | 319 | Mixed day | Sub County | Kisii | Marani |
| Tambacha C.O.G Secondary school | 543 | Mived day and boarding | Sub County | Kisii | Marani |
| MESARIA MIXED SEC SCHOOL | 183 | Day | Sub County | Kisii | MARANI |
| Nyabworoba mixed | 150 | Day | Sub County | Kisii | Marani |
| Nyagonyi Elck mixed | 344 | Day | Sub County | Kisii | Marani |
| ENGOTO P.A.G SECONDARY SCHOOL | 192 | Day | Sub County | Kisii | MARANI |
| Geturi mixed secondary school | 500 | Day | Sub County | Kisii | Marani |
| Itibo Boys High School | 366 | Boarding Boys | Extra County | Kisii | Marani |
| JORAM ASANYO MOTONTO MIXED SECONDARY | 186 | Day | Sub County | Kisii | MARANI |
| Nyasore SDA Mixed Day/Boarding Secondary | 430 | Mixed Day Boarding | Sub County | Kisii | Marani |
| St.paul’s Nyankanda | 310 | Mixed Boarding | Sub County | Kisii | Marani |
| Kiareni ELCK Secondary School | 441 | Mixed Day | Sub County | Kisii | Marani |
| Nyakeiri boys secondary | 363 | Boarding Boys | County | Kisii | Marani |
| NYAKEYO C.O.G SECONDARY SCHOOL | 233 | Day | Sub County | Kisii | MARANI |
| Itibo Girls | 1008 | Boarding Girls | Extra County | Kisii | Marani |
| Rioma mixed | 427 | Mixed Boarding | County | Kisii | Marani |
| Nyakome Friends Secondary | 215 | Mixed day and boarding | Sub County | Kisii | Marani |
| Nyagoto Secondary School | 220 | Mixed day | Sub County | Kisii | Marani |
| Masakwe p.a.g sec. School | 96 | Day | Sub County | Kisii | Marani |
| Gamba SDA Mixed Secondary School | 352 | Day | Sub County | Kisii | Marani |
| ENTANDA MIXED SECONDARY SCHOOL | 794 | Day | Sub County | Kisii | Marani |
| Nyagesenda secondary school | 408 | Day | Sub County | Kisii | Marani |
| Sensi mixed sec school | 137 | Day | Sub County | Kisii | Marani |
| St Mary’s Ng’enyi Girls sec school | 223 | Boarding Girls | Sub County | Kisii | Marani |
| St.John’s Metembe sec.school | 264 | Day | Sub County | Kisii | Marani |
| Nyamesocho SDA secondary school | 180 | Mixed day secondary school. | Sub County | Kisii | Masaba south |
| St.Peters Chironge sec.school | 324 | Mixed Boarding | Sub County | Kisii | Masaba south |
| Getare Girls Secondary School | 192 | Day and boarding Girls | Sub County | Kisii | Masaba south |
| SOSERA SDA SECONDARY SCHOOL | 249 | Mixed Boarding | Sub County | Kisii | MASABA SOUTH |
| Nyamagesa c.o.g mixed seconday school | 330 | Mixed Boarding | Sub County | Kisii | Masaba south |
| Nyankononi Secondary School | 175 | Day | Sub County | Kisii | Masaba South |
| Masabo secondary school | 192 | Mixed day | Sub County | Kisii | Masaba south |
| Matibo girls day and boarding secondary School | 107 | Boarding Girls | Sub County | Kisii | Masaba south |
| Gekonge DEB sec School. | 140 | Day | Sub County | Kisii | Masaba South |
| St Charles Lwanga Ichuni Girls | 2261 | Boarding Girls | Extra County | Kisii | Masaba south |
| Moi Gesusu | 2116 | Boarding Boys | Extra County | Kisii | Masaba South |
| St. Joseph Mukasa Matibo Mixed Secondary | 207 | Day | Sub County | Kisii | Masaba South |
| Ikorongo Mixed SDA sec sch | 132 | Day | Sub County | Kisii | Masaba South |
| Nyamagesa Deb sec sch. | 268 | Day | Sub County | Kisii | Masaba South |
| St. Luke’s Ekware Secondary School | 120 | Day | Sub County | Kisii | Masaba South |
| Nyanturago high school | 868 | Mixed Boarding | County | Kisii | Masaba South |
| St. Thomas Turwa Secondary | 310 | Mixed Boarding | Sub County | Kisii | Nyamache |
| Nyabisase mixed sec | 1539 | Mixed Boarding | County | Kisii | Nyamache |
| Gionseri Girls Secondary school | 562 | Boarding Girls | County | Kisii | Nyamache |
| Naikuru PAG Secondary school | 703 | Mixed day and boarding | Sub County | Kisii | Nyamache |
| Itumbe DOk SECONDARY school | 301 | Mixed Boarding | County | Kisii | Nyamache |
| NYABITE DOK SECONDARY SCHOOL | 309 | Mixed Boarding | Sub County | Kisii | NYAMACHE |
| St Josephs Nyachenge | 126 | Day | Sub County | Kisii | Nyamache |
| Ebigogo Secondary school | 130 | Day | Sub County | Kisii | Nyamache |
| Simiti SDA secondary | 126 | Day | Sub County | Kisii | Nyamache |
| Rogongo secondary school | 187 | Mixed Boarding | Sub County | Kisii | Nyamache |
| Mogonga PAG sec school | 393 | Day /boarding | Sub County | Kisii | Nyamache |
| Nyamakorobo FAM secondary | 250 | Day | Sub County | Kisii | Nyamache |
| Isena mission girls sec school | 213 | Boarding Girls | County | Kisii | Nyamache |
| Suguta Girls sec | 663 | Boarding Girls | County | Kisii | Nyamache |
| Borangi pag secondary school | 214 | Day | Sub County | Kisii | Nyamache |
| Kionduso PAG secondary school | 185 | Day | Sub County | Kisii | Nyamache |
| Sacred Heart of Jesus Ekeonga sec sch | 115 | Day | Sub County | Kisii | Nyamache |
| St Joseph’s Sugubo sec school | 314 | Day | Sub County | Kisii | Nyamache |
| Getai SDA Mixed Secondary School | 100 | Mixed Day | Sub County | Kisii | Nyamache |
| Nyoera sec school | 91 | Day | Sub County | Kisii | Nyamache |
| Nyabisia DEB mixed secondary school | 139 | Day | Sub County | Kisii | Nyamache sub_ county |
| Riobara secondary school | 90 | Day | Sub County | Kisii | Sameta |
| Kenyoro Mixed DOK Secondary | 120 | Day | Sub County | Kisii | Sameta |
| Rianchore mixed secondary school | 63 | Day | Sub County | Kisii | Sameta |
| Nyamonema Mixed Secondary School | 191 | Mixed Day | Sub County | Kisii | Sameta |
| NYAGIKI MIXED SECONDARY | 102 | MIXED DAY | Sub County | Kisii | SAMETA |
| Boitangare Friends secondary | 446 | Mixed Boarding | County | Kisii | Sameta |
| Bishop mugendi Nyakegogi | 1560 | Mixed Boarding | County | Kisii | Sameta |
| Kenyerere mixed secondary school | 146 | Day | Sub County | Kisii | Sameta |
| 189 | 189 | Day | Sub County | Kisii | sameta |
| ST DOMINIC RUSINGA SEC. | 186 | MIXED DAY | Sub County | Kisii | SAMETA |
| Sameta Mixed Secondary School | 320 | Day | Sub County | Kisii | Sameta |
| St. John’s Nyamagwa Boys | 1004 | Boarding Boys | Extra County | Kisii | Sameta |
| ST. Mary’s Nyamagwa girls | 1000 | Boarding Girls | Extra County | Kisii | Sameta |
| St Peter’s Rianyachuba secondary | 102 | Day | Sub County | Kisii | Sameta |
| Nyabonge secondary school | 368 | Day | Sub County | Kisii | Sameta |
| GESURE SDA SECONDARY SCHOOL | 171 | Mixed Boarding | Sub County | Kisii | Sameta |
| sameta boys high school | 729 | Boarding Boys | Extra County | Kisii | Sameta |