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: C4; Former sub-county and day schools.
KNEC code: 11240108
UIC: 927L
Level: Senior school
Gender: Mixed
Boarding or day: Day
Ownership: Public
Sponsor: Central Government/DEB
Student needs: Ordinary
Postal address: 44571 00100 NAIROBI
School code: J2010173
2026 fees: For the listed day-school fee heads, parents are charged KSh 0.; Government-set schedule, not an individual school invoice.
Next placements: Not released yet for the January 2027 intake. Last year: 19 December 2025. KEMIS placement portalGet an alert when they’re released.

Pathways and subject combinations checked 15 October 2026

STEM5 combinations Pure Sciences 2 · Applied Sciences 3

Pure Sciences · 2

Agriculture, Biology, ChemistryST1042
Biology, Chemistry, PhysicsST1048

Applied Sciences · 3

Agriculture, Business Studies, PhysicsST2053
Agriculture, Geography, PhysicsST2075
Agriculture, Home Science, PhysicsST2093

Social Sciences3 combinations Humanities & Business Studies 3

Humanities & Business Studies · 3

Business Studies, Geography, History & CitizenshipSS2025
Business Studies, History & Citizenship, Literature in EnglishSS2100
Christian Religious Education, Fasihi ya Kiswahili, History & CitizenshipSS2069

Arts & Sports ScienceNot offered

Subjects in these combinations · 11: Agriculture, Biology, Business Studies, Chemistry, Christian Religious Education, Fasihi ya Kiswahili, Geography, History & Citizenship, Home Science, Literature in English, Physics

How subject selection works: what pathways, tracks and the codes mean.

Figures from the 2013 records; counts made in 2007

Students enrolled: 285
Teaching staff: 18
Students per teacher: 15.8:1 (2007)
Acres: 5
Acreage per enrolment: 57.0

Staff counted in 2007

Role	Men	Women	Total
TSC teachers	8	10	18
Local authority teachers	0	0	0
PTA and board teachers	0	0	0
Other teachers	0	0	0
Non-teaching staff	3	6	9

Something out of date? Suggest a correction. Work at this school?

Data sources

The school description and other details come from the 2013 school data. Staff and facility figures show their recorded years. Classification and codes come from the 2026 senior-school register.

Pathways, subject combinations and emblems: Ministry of Education Grade 10 selection portal (KEMIS); checked 15 October 2026.
December 2025 senior-school list, row 2004.
June 2025 senior-school register, row 2734; checked 1 October 2026.
Kenya Gazette Notice No. 1449 for the 2026 fee schedule.
Kenya Open Data Initiative.