| Name of School | Total enrolment | Type of School | Status of School | Name of County | Name of Sub County |
| Maluma sec | 147 | Day | Sub County | Kitui | Ikutha |
| James ndonyi memorial sec.school | 265 | Day | Sub County | Kitui | Ikutha |
| Ikutha girls sec school | 738 | Boarding Girls | Extra County | Kitui | Ikutha |
| Ikutha boys sec school | 700 | Boarding Boys | Extra County | Kitui | Ikutha |
| SIMISI SEC | 398 | Mixed Boarding | Sub County | Kitui | IKUTHA |
| MWAATHE SECONDARY SCHOOL | 126 | Day | Sub County | Kitui | Ikutha |
| Muthue sec school | 480 | Mixed Boarding | County | Kitui | Ikutha |
| Kalivu Secondary School | 204 | Mixed day and Boarding | Sub County | Kitui | Ikutha |
| Kilawa Mixed Secondary School | 103 | Day | Sub County | Kitui | Ikutha |
| MWANIANGA SEC SCHOOL | 130 | Day | Sub County | Kitui | IKUTHA |
| Nzaini | 100 | Mixed day | Sub County | Kitui | Ikutha |
| ABC Kimweli secondary school | 114 | Day | Sub County | Kitui | IKUTHA |
| ILENGI SECONDARY SCHOOL | 210 | Mixed Boarding | Sub County | Kitui | Ikutha |
| Kasaala sec school | 575 | Mixed, boarding & day | County | Kitui | Ikutha |
| Kiangu sec school | 64 | Day | Sub County | Kitui | Ikutha |
| CBM Timboni | 168 | Day | Sub County | Kitui | Ikutha |
| Kituti secondary | 418 | Mixed Boarding | Sub County | Kitui | Ikutha |
| Yumbisye Secondary School | 1000 | Mixed day | Sub County | Kitui | Katulani |
| Kavuta sec sch | 80 | Day | Sub County | Kitui | Katulani |
| Kavisuni mixed day | 287 | Mixed day | County | Kitui | Katulani |
| Wii secondary | 80 | Mixed Boarding | Sub County | Kitui | Katulani |
| Itoleka girls secondary school | 638 | Boarding Girls | Extra County | Kitui | Katulani |
| Ikave mixed secondary school | 134 | Day | Sub County | Kitui | Katulani |
| St Patrick’s Ithimani sec | 169 | Day | Sub County | Kitui | Katulani |
| Yakalia Mixed Day Secondary School | 183 | Day | Sub County | Kitui | Katulani |
| MALIKU GIRLS SEC SCHOOL | 647 | Boarding Girls | Extra County | Kitui | Katulani |
| Kwa Mukasa mixed sec sch | 77 | Day | Sub County | Kitui | Katulani |
| MAVINDINI SEC SCHOOL | 184 | Day | Sub County | Kitui | KATULANI |
| Kangalu mixed secondary | 156 | Day | Sub County | Kitui | katulani |
| Mulango girls high school | 982 | Boarding Boys | Extra County | Kitui | Katulani |
| Kaumba Sec school | 110 | Day | Sub County | Kitui | Katulani |
| MALUNGU SECONDARY SCHOOL | 190 | Day | Sub County | Kitui | KATULANI |
| Kisasi boys | 1044 | Boarding Boys | Extra County | Kitui | Kisasi |
| Katwala Mixed secondary | 468 | Mixed Boarding | Sub County | Kitui | Kisasi |
| Mukameni mixed day | 220 | Day | Sub County | Kitui | Kisasi |
| MBITINI COMPLEX HIGH SCHOOL | 115 | Day | Sub County | Kitui | KISASI |
| Mosa sec school | 466 | Mixed Boarding | Sub County | Kitui | Kisasi |
| Ung’aatu mixed day sec. School | 160 | Day | Sub County | Kitui | Kisasi |
| KISASI MIXED SECONDARY | 766 | Mixed Boarding | Sub County | Kitui | Kisasi |
| Maangani mixed secondary | 234 | Day | Sub County | Kitui | Kisasi |
| KANZAU SEC SCHOOL | 172 | Mixed day school | Sub County | Kitui | Kisasi |
| Ngangani mixed day sec | 203 | Day | Sub County | Kitui | Kisasi |
| Kimuuni Mixed Secondary School | 89 | Day | Sub County | Kitui | Kisasi |
| Hon Charles Nyamai _Kasevi | 137 | Day | Sub County | Kitui | Kisasi |
| Kitungati mixed secondary school | 400 | Mixed Boarding | Sub County | Kitui | Kisasi subcounty |
| ENGINEER NGILU MIXED SECONDARY SCHOOL | 368 | Day | Sub County | Kitui | KITUI CENTRAL |
| St Monica Girls’Muluty | 458 | Boarding Girls | Extra County | Kitui | Kitui Central |
| St. Ursula Girls Sec School- Tungutu | 478 | Boarding Girls | Extra County | Kitui | Kitui Central |
| Tiva secondary school | 241 | Boarding Boys | County | Kitui | Kitui central |
| Ngiini Day Mixed Sec School | 158 | Day | Sub County | Kitui | Kitui Central |
| Our lady of protection museve sec school | 121 | Day | Sub County | Kitui | Kitui Central |
| St Mary’s miambani sec | 220 | Mixed Boarding | County | Kitui | Kitui Central |
| Kitui school | 840 | Boarding Boys | National | Kitui | Kitui Central |
| St Andrews Sec School-Ivaini | 400 | Mixed Boarding | County | Kitui | Kitui Central |
| Kyamathyaka mixed secondary school | 172 | Day | Sub County | Kitui | Kitui central |
| St Stephen kaveta mixed day sec school | 182 | Day | Sub County | Kitui | Kitui central |
| Ithiani mixed day school | 127 | Day | Sub County | Kitui | Kitui Central |
| Kaliakakya sec school | 241 | Day | Sub County | Kitui | Kitui central |
| Mutukya sec | 300 | Mixed day/boarding | Sub County | Kitui | Kitui central |
| Kwa muema sec school | 107 | Day | Sub County | Kitui | Kitui central |
| Kiviu sec sch | 140 | Day | Sub County | Kitui | Kitui central |
| Katyethoka secondary school | 106 | Mixed day | Sub County | Kitui | Kitui Central |
| Vinda secondary school | 83 | Day | Sub County | Kitui | Kitui central |
| Aic miambani Sec school | 142 | Day | Sub County | Kitui | Kitui Central |
| ST. ANGELA’S GIRLS ‘ | 889 | Boarding Girls | Extra County | Kitui | KITUI CENTRAL |
| St.Thomas Aquinas kalawa boys sec.school | 641 | Boarding Boys | Extra County | Kitui | kitui central |
| KABAA DAY MIXED SEC SCHOOL | 97 | Day | Sub County | Kitui | KITUI CENTRAL |
| mutini sec school | 247 | Mixed Boarding | County | Kitui | kitui west |
| Kyondoni girls sec | 812 | Boarding Girls | Extra County | Kitui | Kitui west |
| Kalinditi mixed day secondary school | 87 | Mixed day | Sub County | Kitui | Kitui West |
| Mutanda Mixed Day school | 185 | Day | Sub County | Kitui | Kitui west |
| Archbishop Lele Sec- Mang’elu | 160 | Day | Sub County | Kitui | Kitui West |
| KIAMANI Sec | 170 | Mixed day | Sub County | Kitui | KITUI WEST |
| KATHEKA BOYS SECONDARY SCHOOL | 566 | Boarding Boys | Extra County | Kitui | KITUI WEST |
| KANGII MIXED SECONDARY | 279 | Day | Sub County | Kitui | KITUI WEST |
| USIANI MIXED DAY SEC | 156 | Day | Sub County | Kitui | KITUI WEST |
| Muthamo mixed sec school. | 154 | Day | Sub County | Kitui | Kitui west |
| AIC MUTONGUNI GIRLS | 281 | Boarding Girls | County | Kitui | Kitui west |
| Mutonguni Boy’s Seconary | 635 | Boarding Boys | Extra County | Kitui | Kitui West |
| Kakeani secondary school | 200 | Mixed Boarding | Sub County | Kitui | Kitui west |
| Kyondoni Mixed Day school | 188 | Day | Sub County | Kitui | Kitui west |
| St.Mary’s Kavalo secondary school | 226 | Day | Sub County | Kitui | Kitui-west |
| Kalonzo Sec.School | 303 | Mixed Boarding | County | Kitui | Kyuso |
| Kyuso girls’ secondary school | 190 | Boarding Girls | County | Kitui | Kyuso |
| Kandwia secondary | 125 | Day | Sub County | Kitui | Kyuso |
| KIMANGAO GIRLS SEC SCHOOL | 719 | Boarding Girls | Extra County | Kitui | Kyuso |
| Kalwa Mixed Secondary School | 100 | Day | Sub County | Kitui | Kyuso |
| Kawongo secondary School | 382 | Day | Sub County | Kitui | Lower yatta |
| Iiani Mixed Day Sec School | 72 | Day | Sub County | Kitui | Lower Yatta |
| St.bridgit syomunyu girls secondary | 380 | Boarding Girls | County | Kitui | Lower yatta |
| LOWER YATTA GIRLS | 254 | Boarding Girls | County | Kitui | LOWER YATTA |
| Matu Mixed Secondary School | 281 | Mixed Boarding | Sub County | Kitui | Lower Yatta |
| Tanganyika sec.school | 178 | Mixed Boarding | Sub County | Kitui | Lower yatta |
| Kathome mixed sec school | 122 | Day | Sub County | Kitui | Lower Yatta |
| Muselele township mixed day school | 154 | Day | Sub County | Kitui | Lower yatta |
| Masaani Mixed Day Secondary School | 168 | Day | Sub County | Kitui | Lower Yatta |
| Kanyangi girls | 284 | Boarding Girls | County | Kitui | Lower yatta |
| St.lukes Yatta Boys Sec School | 431 | Boarding Boys | Extra County | Kitui | LOWER YATTA |
| Sacred heart of jesus sec school Kanyongonyo | 188 | Day | Sub County | Kitui | Lower yatta |
| Kwakilui mixed Sec Sch | 163 | Day | Sub County | Kitui | Lower yatta |
| Karma Boys Sec School | 275 | Boarding Boys | County | Kitui | Matinyani |
| St John’s Kwa Mulungu Sec School | 720 | Mixed Boarding | County | Kitui | Matinyani |
| AIC KITUNDUNI | 79 | Day | Sub County | Kitui | MATINYANI |
| St.joseph musosya sec | 160 | Day | Sub County | Kitui | Matinyani |
| St Benedicts sec.Kwa. Mutonga | 207 | Day | Sub County | Kitui | Matinyani |
| Matinyani mixed sec school | 350 | Day | Sub County | Kitui | Matinyani |
| Mithiikwani mixed day secondary | 130 | Day | Sub County | Kitui | Matinyani |
| A.I.c Kitunduni Secondary | 80 | Day | Sub County | Kitui | Matinyani |
| Nzalae Sec | 169 | Day | Sub County | Kitui | Migwani |
| Nguutani sec school | 198 | Boarding Boys | Extra County | Kitui | Migwani |
| Aic Ithambwangao Sec school | 157 | Day | Sub County | Kitui | Migwani |
| Kakululo Secondary | 107 | Day | Sub County | Kitui | Migwani |
| Itoloni Mixed Day Sec. School | 140 | Day | Sub County | Kitui | Migwani |
| AIC Ndaluni | 80 | Mixed boarding and day | County | Kitui | Migwani |
| St.Mary’s Sec.School- Ngongoni | 135 | Day | Sub County | Kitui | MIGWANI |
| Katoteni sec | 310 | Mixed boarding & day | County | Kitui | Migwani |
| KAVAINI SECONDARY SCHOOL | 277 | Mixed Boarding | Sub County | Kitui | Migwani |
| Kikiini secondary school | 165 | Day | Sub County | Kitui | Migwani |
| Winzyeei secondary school | 114 | Day | Sub County | Kitui | Migwani |
| AIC ITOLONI GIRLS | 400 | Boarding Girls | Extra County | Kitui | MIGWANI |
| kasavani highland secondary school | 167 | Day | Sub County | Kitui | migwani |
| Thitani Girls | 568 | Boarding Girls | Extra County | Kitui | Migwani |
| KITULANI SEC. SCHOOL. | 102 | Day | Sub County | Kitui | MIGWANI/MWINGI-WEST |
| Kasyalani Mixed Day secondary | 184 | Day | Sub County | Kitui | Mumoni |
| Kambusu mixed day sec sch | 101 | Day | Sub County | Kitui | Mumoni |
| Katooni Mixed Secondary School | 98 | Day | Sub County | Kitui | Mumoni |
| ITHANGATHI GIRLS SEC SCHOOL | 230 | Boarding Girls | Sub County | Kitui | MUTITO |
| KIKUU MIXED DAY SEC SCHOOL | 215 | Day | Sub County | Kitui | Mutito |
| Malatani mixed day secondary | 117 | Day | Sub County | Kitui | Mutito |
| St Joseph Mutito Boys High School | 810 | Boarding Boys | Extra County | Kitui | Mutito North |
| St. Mary’s Mutito Girls sec sch | 350 | Boarding Girls | Extra County | Kitui | Mutito North |
| AIC Sombe girls sec | 450 | Boarding Girls | Extra County | Kitui | Mutitu |
| Zombe day/ Boarding sec school | 387 | Mixed Boarding | Sub County | Kitui | MUTITU |
| St IGNATIUS SECSCHOOL-ENDAU | 228 | Mixed Boarding | Sub County | Kitui | Mutitu |
| ENDAU SECONDARY SCHOOL | 186 | Mixed Boarding | County | Kitui | MUTITU |
| Malalani mixed sec school | 185 | Mixed Boarding | Sub County | Kitui | Mutitu |
| Muthungue Secondary school | 131 | Mixed Boarding | Sub County | Kitui | Mutitu |
| Mwitika mixed sec school | 446 | Mixed Boarding | Sub County | Kitui | Mutitu |
| Makongo mixed boarding/day secondary School | 180 | Mixed day/ boarding | Sub County | Kitui | MUTITU |
| Kyamatu secondary school | 114 | Day | Sub County | Kitui | Mutitu |
| Ngungi secondary school | 204 | Mixed Day and boarding | Sub County | Kitui | Mutitu |
| Itiko mixed day secondary school | 80 | Day | Sub County | Kitui | Mutitu north |
| HON.MULUVI(KALALANI) GIRLS SEC.SCHOOL | 122 | BOARDING AND DAY GIRLS SEC. SCHOOL. | Sub County | Kitui | MUTITU. |
| Makele mixed day secondary School | 229 | Day | Sub County | Kitui | Mutomo |
| Kisayani sec school | 130 | Mixed Day and Boarding | Sub County | Kitui | Mutomo |
| St Louis Mathima secondary school | 235 | Mixed day and boarding | Sub County | Kitui | Mutomo |
| Chief Makau Mixed Sec.School | 155 | Day | Sub County | Kitui | Mutomo |
| Mutomo girls | 434 | Boarding Girls | Extra County | Kitui | Mutomo |
| Kyatune boys high school | 251 | Boarding Boys | County | Kitui | Mutomo |
| Ikanga boys | 421 | Boarding Boys | County | Kitui | Mutomo |
| Kenze secondary school | 160 | Day | Sub County | Kitui | Mutomo |
| St.Mulumba Nduluni | 85 | Day | Sub County | Kitui | Mutomo |
| Kiangwa Secondary School | 130 | Day | Sub County | Kitui | Mutomo |
| Ikanga Girls | 286 | Boarding Boys | County | Kitui | Mutomo |
| St.Patricks sec-Mutomo | 303 | Mixed Boarding | County | Kitui | MUTOMO |
| KIBWEA MIXED SEC SCHOOL | 129 | Day | Sub County | Kitui | MUTOMO |
| Nzoani sec sch | 204 | Day | Sub County | Kitui | Mutomo |
| Enzou sec school | 150 | Mixed Boarding | Sub County | Kitui | mutomo |
| Mutomo mixed secondary school | 390 | Mixed Boarding | County | Kitui | Mutomo |
| St.josephs mixed day and boarding secondary. | 191 | Mixed Boarding | Sub County | Kitui | Mutomo |
| St Peter’s sec school – Nduundune | 180 | Mixed day & boarding | Sub County | Kitui | Mutomo |
| Kyatune Girls secondary school | 191 | Boarding Girls | County | Kitui | Mutomo |
| kiviu sec | 130 | Day | Sub County | Kitui | mwingi central |
| Wikithuki sec | 150 | Day | Sub County | Kitui | Mwingi central |
| Kathonzweni secondary | 205 | Day | Sub County | Kitui | Mwingi central |
| MWINGi BOYS SECONDARY SCHOOL | 638 | Boarding Boys | Extra County | Kitui | MWINGI CENTRAL |
| Ndithi secondary school | 84 | Day | Sub County | Kitui | Mwingi central |
| ENZIU SEC SCHOOL | 179 | Mixed Day and Boarding | Sub County | Kitui | Mwingi Central |
| Mutwaathi sec, school | 233 | Day | Sub County | Kitui | Mwingi central sub county |
| Muthuka sec school | 306 | Day | Sub County | Kitui | Mwingi East |
| AIC MWASUMA SECONDARY SCHOOL | 97 | Day | Sub County | Kitui | MWINGI EAST |
| Kavisu Secondary School | 83 | Day | Sub County | Kitui | Mwingi East |
| Ngaani Mixed Secondary School | 70 | Mixed Day | Sub County | Kitui | Mwingi East |
| St Teresa’s Ukasi Girls secondary | 335 | Boarding Girls | Extra County | Kitui | Mwingi East |
| St. Michael Ngungi Sec.School | 183 | Day | Sub County | Kitui | Mwingi East |
| LUNDI DAY SECONDARY SCHOOL | 177 | MIXED DAY | Sub County | Kitui | MWINGI EAST |
| MWAMBIU MIXED SECONDARY | 206 | Day | Sub County | Kitui | MWINGI EAST |
| Aic Yumbu sec | 83 | Day | Sub County | Kitui | Mwingi east |
| IVUUSYA SECONDARY SCHOOL | 42 | Day | Sub County | Kitui | MWINGI EAST |
| Mulinde day sec school | 125 | Day | Sub County | Kitui | Mwingi East |
| YATWA SECONDARY | 146 | Mixed day/boarding | Sub County | Kitui | MWINGI EAST |
| UKASI BOYS SECONDARY SCHOOL | 112 | Day | Sub County | Kitui | MWINGI EAST |
| Masavi boys | 130 | Day | Sub County | Kitui | Mwingi East |
| Nyaani secondary school | 157 | Day | Sub County | Kitui | Mwingi East |
| Kalanga mixed day secondary school | 136 | Day | Sub County | Kitui | Mwingi East |
| MASAVI GIRLS | 415 | Boarding Girls | County | Kitui | MWINGI EAST |
| MUTYANGOME sec | 110 | Day | Sub County | Kitui | Mwingi East |
| Wamaiyu Secondary School | 144 | Day | Sub County | Kitui | Mwingi East |
| Muangeni secondary school | 228 | Day | Sub County | Kitui | Mwingi East |
| AIC Munyuni mixed day Sec sch | 141 | Day | Sub County | Kitui | Mwingi East |
| AIC KATHANZE SECONDARY | 100 | Day | Sub County | Kitui | MWINGI EAST |
| Nzeluni Boys Sec | 210 | Boarding Boys | County | Kitui | Mwingi West |
| Major Muluvi Kangweni | 272 | Day | Sub County | Kitui | Nzambani |
| Kyanika Secondary School | 274 | Day | Sub County | Kitui | Nzambani |
| AIC Kitho Sec | 90 | Day | Sub County | Kitui | Nzambani |
| Katumbu mixed secondary school | 120 | Day | Sub County | Kitui | Nzambani |
| Kilonzo secondary school | 211 | Day | Sub County | Kitui | Nzambani |
| Kanguu sec school | 140 | Mixed day/boarding | Sub County | Kitui | Nzambani |
| AIC Kamale secondary | 98 | Day | Sub County | Kitui | Nzambani |
| Ikuyuni mixed | 135 | Day | Sub County | Kitui | NZAMBANI |
| Kanduti Secondary school. | 231 | Mixed Boarding | Sub County | Kitui | Nzambani |
| Katama Sec School | 164 | Day | Sub County | Kitui | Thagicu |
| Mwangea sec school | 265 | Mixed day and boarding | Sub County | Kitui | Tseikuru |
| Mulangoni sec. | 171 | Mixed Boarding | Sub County | Kitui | Tseikuru |
| Ngalange mixed day secondary school | 75 | Day | Sub County | Kitui | Tseikuru |
| KATUMBI SECONDARY SCHOOL | 128 | Day | Sub County | Kitui | TSEIKURU |
| Kalimbui mixed day sec school | 205 | Day | Sub County | Kitui | Tseikuru |
| Tsekuru secondary school | 541 | Mixed Boarding | County | Kitui | Tseikuru |
