Public senior school

Mavoko Secondary School

A senior school in Athi-River sub-county, Machakos County. It offers STEM, Social Sciences and Arts & Sports Science, with 19 subject combinations.

School details admission facts are for the 2026 intake

Cluster: C4Ministry of Education senior-school cluster.
Gender: Boys
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

Mavoko Secondary School scored a mean of 4.68 (C-) in KCSE 2010, 0.5 points below the national average, up from 4.31 in 2009.

	2010	2009	2008	2007	2006
Mean	4.677	4.315	3.811	4.505	3.785
Grade	C-	D+	D+	C-	D+
Candidates	96	108	111	101	93

KCSE results

Pathways and subject combinations checked 15 October 2026

STEM8 combinationsPure Sciences 3 · Applied Sciences 5

Pure Sciences · 3Agriculture, Biology, ChemistryST1042

Biology, Chemistry, Computer StudiesST1046

Biology, Chemistry, PhysicsST1048

Applied Sciences · 5Agriculture, Biology, Computer StudiesST2057

Agriculture, Biology, Home ScienceST2081

Business Studies, Computer Studies, PhysicsST2007

Chemistry, Computer Studies, Home ScienceST2024

Computer Studies, Geography, PhysicsST2018

Social Sciences9 combinationsHumanities & Business Studies 9

Humanities & Business Studies · 9Business Studies, Christian Religious Education, Computer StudiesSS2106

Business Studies, Christian Religious Education, GeographySS2001

Business Studies, Christian Religious Education, History & CitizenshipSS2008

Business Studies, Computer Studies, History & CitizenshipSS2095

Business Studies, Geography, History & CitizenshipSS2025

Christian Religious Education, Computer Studies, GeographySS2034

Christian Religious Education, Computer Studies, History & CitizenshipSS2064

Christian Religious Education, Geography, History & CitizenshipSS2019

Computer Studies, Geography, History & CitizenshipSS2024

Arts & Sports Science2 combinationsSports 2

Sports · 2General Science, Sports & Recreation, Theatre & FilmAS2038

Home Science, Music & Dance, Sports & RecreationAS2055

Subjects in these combinations · 14

Agriculture, Biology, Business Studies, Chemistry, Christian Religious Education, Computer Studies, General Science, Geography, History & Citizenship, Home Science, Music & Dance, Physics, Sports & Recreation, Theatre & Film

Senior schools in Machakos County offering STEM · Social Sciences · Arts & Sports Science

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

Codes and registration

KNEC code: 12330104
UIC: F4GF
School code: R4050052
Level: Senior school
Sponsor: Central Government/DEB
Student needs: Ordinary
Postal address: 561 ATHI RIVER
2013 gender: Mixed
2013 boarding or day: Boarding

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

Teaching staff: 20

Staff counted in 2007 ›

Role	Men	Women	Total
TSC teachers	6	12	18
PTA and board teachers	2	0	2
Non-teaching staff	3	10	13

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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 3427 classification and codes
June 2025 senior-school register, row 4555 checked 14 October 2026
Kenya Gazette Notice No. 1449 2026 fee schedule