Public senior school
Gachie High School
A senior school in Kiambaa sub-county, Kiambu County. It offers STEM and Social Sciences, with 8 subject combinations.
School details admission facts are for the 2026 intake
- Cluster
- C4Ministry of Education senior-school cluster.
- Gender
- Mixed
- Boarding or day
- Day
- 2026 fees
- For the listed day-school fee heads, parents are charged KSh 0.Government-set schedule, not an individual school invoice.
- Ownership
- Public
- Postal address
- 44571 00100 NAIROBI
Not released yet for the January 2027 intake. Last year: 19 December 2025. KEMIS placement portal · Get an alert when they’re released.
KCSE results 2019–2023
Gachie High School scored a mean of 2.65 (D) in KCSE 2023, 1.9 points below the national average, up from 2.59 in 2022. Over 2019–2023 it ranks 54th of 69 schools in Kiambu County with 3 or more years of published results.
| 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|
| Mean | 2.650 | 2.593 | 2.504 | 2.602 | 3.172 |
| Grade | D | D | D | D | D |
| Candidates | 116 | 113 | 114 | 93 | 93 |
Pathways and subject combinations checked 15 October 2026
STEM5 combinationsPure Sciences 2 · Applied Sciences 3
Social Sciences3 combinationsHumanities & Business Studies 3
Subjects in these combinations · 11
Agriculture, Biology, Business Studies, Chemistry, Christian Religious Education, Fasihi ya Kiswahili, Geography, History & Citizenship, Home Science, Literature in English, PhysicsSenior schools in Kiambu County offering STEM · Social Sciences · Arts & Sports Science
Codes and registration
- KNEC code
- 11240108
- UIC
- 927L
- School code
- J2010173
- Level
- Senior school
- Sponsor
- Central Government/DEB
- Student needs
- Ordinary
School figures most recent counts
- Students enrolled
- 533
- Teaching staff
- 23
- Board teachers
- 5
- Students per teacher
- 23.2
- Classrooms
- 10
- Laboratories
- 1
- Dining halls
- 0
- Toilets
- 9
- Acres
- 5
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Data sources
School history and updated details use the sources below. Other details come from the 2013 school data. Classification and codes come from the 2026 senior-school register.
Register, pathways and fees
- Ministry of Education Grade 10 selection portal (KEMIS) pathways, combinations, emblem · checked 15 October 2026
- December 2025 senior-school list, row 2004 classification and codes
- June 2025 senior-school register, row 2734 checked 1 October 2026
- Kenya Gazette Notice No. 1449 2026 fee schedule
KCSE results
- KNEC for 2006–2010, the school’s audit reports since: every source, on the results page 2006–2023
2013 school data
- Kenya Open Data Initiative 2013 school data
Map
- © OpenStreetMap contributors; county outline: IEBC via UN OCHA map data