Public senior school

Mbuuni Secondary School

Also listed as Mbuuni Day Secondary School.

A senior school in Kathiani sub-county, Machakos County. It offers STEM and Social Sciences, with 9 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 2007–2010

Mbuuni Secondary School scored a mean of 4.90 (C-) in KCSE 2010, close to that year’s national average of 5.15, up from 3.67 in 2009.

	2010	2009	2008	2007
Mean	4.900	3.667	2.286	3.200
Grade	C-	D+	D-	D
Candidates	20	27	14	15

KCSE results

Pathways and subject combinations checked 15 October 2026

STEM6 combinationsPure Sciences 4 · Applied Sciences 2

Pure Sciences · 4Agriculture, Biology, ChemistryST1042

Biology, Business Studies, ChemistryST1045

Biology, Chemistry, Computer StudiesST1046

Biology, Chemistry, PhysicsST1048

Applied Sciences · 2Agriculture, Business Studies, GeographyST2050

Computer Studies, Geography, PhysicsST2018

Social Sciences3 combinationsHumanities & Business Studies 3

Humanities & Business Studies · 3Business Studies, Geography, History & CitizenshipSS2025

Business Studies, Geography, Literature in EnglishSS2061

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, Computer Studies, Fasihi ya Kiswahili, Geography, History & Citizenship, Literature in English, Physics

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: 12329120
UIC: 2H9V
School code: M4050099
Level: Senior school
Sponsor: Central Government/DEB
Student needs: Ordinary
Postal address: 636 MKS

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

Students enrolled: 77
Teaching staff: 1
Students per teacher: 77.0
Acreage per enrolment: 110.0

Staff counted in 2007 ›

Role	Men	Women	Total
TSC teachers	1	0	1
Non-teaching staff	2	0	2

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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 3495 classification and codes
June 2025 senior-school register, row 4643 checked 1 October 2026
Kenya Gazette Notice No. 1449 2026 fee schedule