Public senior school

Masii Girls’ Secondary School

A senior school in Mwala sub-county, Machakos County. It offers STEM, Social Sciences and Arts & Sports Science, with 8 subject combinations.

School details admission facts are for the 2026 intake

Cluster: C2Ministry of Education senior-school cluster.
Gender: Girls
Boarding or day: Boarding
2026 fees: KSh 53,554 or 40,535 per year, depending on the approved tierGovernment-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

Masii Girls’ Secondary School scored a mean of 4.59 (C-) in KCSE 2010, 0.6 points below the national average, up from 4.41 in 2009.

	2010	2009	2008	2007	2006
Mean	4.592	4.410	3.927	4.514	4.208
Grade	C-	D+	D+	C-	D+
Candidates	71	78	96	74	77

KCSE results

Pathways and subject combinations checked 15 October 2026

STEM5 combinationsPure Sciences 2 · Applied Sciences 3

Pure Sciences · 2Agriculture, Biology, ChemistryST1042

Biology, Chemistry, PhysicsST1048

Applied Sciences · 3Agriculture, Biology, Computer StudiesST2057

Business Studies, Computer Studies, PhysicsST2007

Chemistry, Computer Studies, Home ScienceST2024

Social Sciences2 combinationsHumanities & Business Studies 2

Humanities & Business Studies · 2Business Studies, Geography, History & CitizenshipSS2025

Christian Religious Education, Fasihi ya Kiswahili, History & CitizenshipSS2069

Arts & Sports Science1 combinationSports 1

Sports · 1General Science, Sports & Recreation, Theatre & FilmAS2038

Subjects in these combinations · 14

Agriculture, Biology, Business Studies, Chemistry, Christian Religious Education, Computer Studies, Fasihi ya Kiswahili, General Science, Geography, History & Citizenship, Home Science, 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: 12314114
UIC: J2RJ
School code: H4050021
Level: Senior school
Sponsor: Central Government/DEB
Student needs: Ordinary
Postal address: 423 MASII

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

Students enrolled: 350
Teaching staff: 20
Students per teacher: 17.5

Staff counted in 2007 ›

Role	Men	Women	Total
TSC teachers	6	10	16
PTA and board teachers	4	0	4
Non-teaching staff	12	3	15

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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 338 classification and codes
June 2025 senior-school register, row 4820 checked 1 October 2026
Kenya Gazette Notice No. 1449 2026 fee schedule