Public senior school

Osiri Mixed Secondary School

A senior school in Kisumu West sub-county, Kisumu County. It offers STEM, Social Sciences and Arts & Sports Science, with 5 subject combinations.

School details admission facts are for the 2026 intake

Cluster: C4; Former sub-county and day schools.
KNEC code: 39737012
UIC: M3GV
Level: Senior school
Gender: Mixed
Boarding or day: Day
Ownership: Public
Sponsor: N/A
Student needs: Ordinary
Postal address: 9
School code: L6040549
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

STEM2 combinations Pure Sciences 1 · Technical Studies 1

Pure Sciences · 1

Biology, Chemistry, PhysicsST1048

Technical Studies · 1

Computer Studies, General Science, Power MechanicsST3116

Social Sciences2 combinations Humanities & Business Studies 2

Humanities & Business Studies · 2

Business Studies, General Science, History & CitizenshipSS2098
Business Studies, Geography, History & CitizenshipSS2025

Arts & Sports Science1 combination Sports 1

Sports · 1

General Science, Sports & Recreation, Theatre & FilmAS2038

Subjects in these combinations · 11: Biology, Business Studies, Chemistry, Computer Studies, General Science, Geography, History & Citizenship, Physics, Power Mechanics, Sports & Recreation, Theatre & Film

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

Figures from the 2013 records; counts made in 2007

Students enrolled: 175
Teaching staff: 10
Students per teacher: 17.5:1 (2007)
Acres: 0
Acreage per enrolment: 0.0

Staff counted in 2007

Role	Men	Women	Total
TSC teachers	3	3	6
Local authority teachers	0	0	0
PTA and board teachers	4	0	4
Other teachers	0	0	0
Non-teaching staff	2	4	6

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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 2710.
June 2025 senior-school register, row 3646; checked 1 October 2026.
Kenya Gazette Notice No. 1449 for the 2026 fee schedule.
Kenya Open Data Initiative.