There are about Sixty (60) County secondary schools in Machakos County. These schools are either Mixed or Single.County schools are the third best schools after National and Extra County schools.
The County schools admit students majorly from within the County. Admission of form ones is via the Education Ministry’s Portal. Calling letters to these schools are downloaded from the Ministry’s website; https://www.education.go.ke/
FOR A COMPLETE GUIDE TO ALL SCHOOLS IN KENYA CLICK ON THE LINK BELOW;
Here are links to the most important news portals:
- KUCCPS News Portal
- TSC News Portal
- Universities and Colleges News Portal
- Helb News Portal
- KNEC News Portal
- KSSSA News Portal
- Schools News Portal
- Free Teaching Resources and Revision Materials
Here is a list of all the County schools in Machakos County:
| School Code | School Name | Category | Type | County |
| 12301707 | KATOLONI SECONDARY SCHOOL | County | Mixed | Machakos |
| 12301711 | KYANGULI MEMORIAL SECONDARY SCHOOL | County | Mixed | Machakos |
| 12301713 | MUVUTI SECONDARY SCHOOL | County | Boys | Machakos |
| 12301718 | KWANTHANZE AIC SECONDARY SCHOOL | County | Mixed | Machakos |
| 12301719 | MIKUINI SECONDARY SCHOOL | County | Mixed | Machakos |
| 12301722 | MUINDI MBINGU SECONDARY SCHOOL | County | Boys | Machakos |
| 12301724 | ABC IVETI HILLS SECONDARY SCHOOL | County | Mixed | Machakos |
| 12301795 | KATELEMBO CENTRE OF EXECELLENCE BOYS HIGH | County | Boys | Machakos |
| 12314102 | MIU BOYS SECONDARY SCHOOL | County | Boys | Machakos |
| 12314105 | KYETHIVO GIRLS’ SECONDARY SCHOOL | County | Girls | Machakos |
| 12314108 | MAKUTANO SECONDARY SCHOOL | County | Mixed | Machakos |
| 12314109 | IKALAASA SECONDARY SCHOOL | County | Mixed | Machakos |
| 12314111 | KIBAUNI SECONDARY SCHOOL | County | Mixed | Machakos |
| 12314112 | KIUNDWANI SECONDARY SCHOOL | County | Mixed | Machakos |
| 12314202 | MBAIKINI BOYS HIGH SCHOOL | County | Boys | Machakos |
| 12314204 | MWALA SCHOOL | County | Boys | Machakos |
| 12314205 | LEMA GIRLS’ SECONDARY SCHOOL | County | Girls | Machakos |
| 12314206 | ST. TERESA MWALA GIRLS’ HIGH SCHOOL | County | Girls | Machakos |
| 12314208 | A.I.C. KUNIKILA SECONDARY SCHOOL | County | Mixed | Machakos |
| 12314210 | BISHOP NDINGI HIGH SCHOOL | County | Mixed | Machakos |
| 12314212 | MULU SECONDARY SCHOOL | County | Mixed | Machakos |
| 12315501 | MAKIVENZI SECONDARY SCHOOL | County | Girls | Machakos |
| 12315504 | NDALANI SECONDARY SCHOOL | County | Mixed | Machakos |
| 12315505 | MATUU HGM MEMORIAL GIRLS HIGH SCHOOL | County | Girls | Machakos |
| 12315506 | MAVOLONI SECONDARY SCHOOL | County | Mixed | Machakos |
| 12315507 | KITHIMANI HGM SECONDARY SCHOOL | County | Mixed | Machakos |
| 12315512 | KIVANDINI SECONDARY SCHOOL | County | Mixed | Machakos |
| 12315601 | KATANGI SECONDARY SCHOOL | County | Boys | Machakos |
| 12315605 | IKOMBE SECONDARY SCHOOL | County | Mixed | Machakos |
| 12315608 | FR. MAKEWA HIGH SCHOOL | County | Mixed | Machakos |
| 12315610 | NGUMBULU SECONDARY SCHOOL | County | Mixed | Machakos |
| 12315612 | BISHOP PAUL MUTUA HIGH SCHOOL | County | Mixed | Machakos |
| 12315618 | GOOD HOPE HIGH SCHOOL – KILAATU | County | Mixed | Machakos |
| 12316103 | MANYATTA SECONDARY SCHOOL | County | Mixed | Machakos |
| 12316105 | KAWETHEI S.A GIRLS SECONDARY SCHOOL | County | Girls | Machakos |
| 12316106 | ST. MARTIN’S KITWII SECONDARY SCHOOL | County | Mixed | Machakos |
| 12316119 | KYENI HIGH SCHOOL MIXED DAY & BOARDING | County | Mixed | Machakos |
| 12316127 | MUISUNI GIRLS SECONDARY SCHOOL | County | Girls | Machakos |
| 12329101 | MITABONI ABC GIRLS SECONDARY SCHOOL | County | Girls | Machakos |
| 12329102 | MITABONI HIGH SCHOOL | County | Boys | Machakos |
| 12329104 | KALILUNI GIRLS’ SECONDARY SCHOOL | County | Girls | Machakos |
| 12330135 | LUKENYA GIRLS CENTRE OF EXCELLENCE | County | Girls | Machakos |
| 12343303 | KIVAA SECONDARY SCHOOL | County | Mixed | Machakos |
| 12343315 | KITHYOKO SECONDARY SCHOOL | County | Mixed | Machakos |
| 12345502 | KINYUI BOYS SECONDARY SCHOOL | County | Boys | Machakos |
| 12345505 | KINYUI GIRLS SA SECONDARY SCHOOL | County | Girls | Machakos |
| 12345507 | KATWANYAA SECONDARY SCHOOL | County | Mixed | Machakos |
| 12345509 | FR. HEERAN SECONDARY SCHOOL | County | Girls | Machakos |
| 12345514 | KISUKIONI SECONDARY SCHOOL | County | Mixed | Machakos |
| 12363101 | MUUMANDU SECONDARY SCHOOL | County | Mixed | Machakos |
| 12363105 | KONZA ABC SECONDARY SCHOOL | County | Mixed | Machakos |
| 12363107 | KIMUTWA SECONDARY SCHOOL | County | Mixed | Machakos |
| 12363110 | AIC MBEMBANI CENTRAL SECONDARY SCHOOL | County | Mixed | Machakos |
| 12363205 | MBUANI SECONDARY SCHOOL | County | Mixed | Machakos |
| 12363209 | KIUU SECONDARY SCHOOL | County | Mixed | Machakos |
| 12363304 | KALAMA SECONDARY SCHOOL | County | Mixed | Machakos |
| 12363305 | KYANGALA SECONDARY SCHOOL | County | Boys | Machakos |
| 12363306 | KYANGALA GIRL’S SECONDARY SCHOOL | County | Girls | Machakos |
| 12363309 | MBUKUNI SECONDARY SCHOOL | County | Mixed | Machakos |
| 12363311 | MANG’AUNI SECONDARY SCHOOL | County | Mixed | Machakos |
