Public senior school

Gaciongo Mixed Secondary School

Also listed as Gaciongo Secondary.

A senior school in Tharaka North sub-county, Tharaka-Nithi County. It offers STEM and Social Sciences, with 6 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

Next placements

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 2006–2010

Gaciongo Mixed Secondary School scored a mean of 3.41 (D) in KCSE 2010, 1.7 points below the national average, down from 4.79 in 2009.

	2010	2009	2008	2007	2006
Mean	3.412	4.793	3.778	5.500	4.818
Grade	D	C-	D+	C	C-
Candidates	34	29	18	22	11

KCSE results

Pathways and subject combinations checked 15 October 2026

STEM2 combinationsPure Sciences 1 · Applied Sciences 1

Pure Sciences · 1Biology, Chemistry, PhysicsST1048

Applied Sciences · 1Agriculture, Business Studies, GeographyST2050

Social Sciences4 combinationsLanguages & Literature 1 · Humanities & Business Studies 3

Languages & Literature · 1Business Studies, Fasihi ya Kiswahili, Literature in EnglishSS1080

Humanities & Business Studies · 3Business Studies, Christian Religious Education, GeographySS2001

Business Studies, Geography, History & CitizenshipSS2025

Christian Religious Education, Fasihi ya Kiswahili, History & CitizenshipSS2069

Arts & Sports ScienceNot offered

Subjects in these combinations · 10

Agriculture, Biology, Business Studies, Chemistry, Christian Religious Education, Fasihi ya Kiswahili, Geography, History & Citizenship, Literature in English, Physics

Senior schools in Tharaka-Nithi County offering STEM · Social Sciences · Arts & Sports Science

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

Codes and registration

KNEC code: 19342101
UIC: HLP3
School code: E4120228
Level: Senior school
Sponsor: Religious Organisation
Student needs: Ordinary
Postal address: 46 MARIMANTI
2013 boarding or day: Day & Boarding

Older records figures from the 2013 records; counts made in 2007

Students enrolled: 110
Teaching staff: 9
Students per teacher: 12.2
Acres: 50
Acreage per enrolment: 2.2

Staff counted in 2007 ›

Role	Men	Women	Total
TSC teachers	8	1	9
Non-teaching staff	4	2	6

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Data sources

The school description and 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 6489 classification and codes
June 2025 senior-school register, row 8579 checked 14 October 2026
Kenya Gazette Notice No. 1449 2026 fee schedule