Osonkoroi Secc

Senior-school information — 2026 intake

Senior-school cluster: C4
County: NAROK
Administrative subcounty: TRANS MARA WEST
KNEC code: 32519105
UIC: 5QJH
Gender: Mixed
Day / boarding: Day
Ownership: Public

2026 public day-school fee schedule: parents are charged KSh 0 for the listed fee heads; the government allocation is KSh 22,244 per learner.

Fee source: Kenya Gazette Notice No. 1449, effective 5 January 2026. For selection and placement updates, use the government portal.

Cluster and identifiers: December 2025 senior-school list, row 5639. This list is hosted by Education News and attributed to the Ministry of Education.

Other dated register details: Teachers Arena (Ministry register mirror), row 7427. Published 2025-06-01; captured 2026-09-10.

The dated register does not confirm current vacancies, school-specific fees, boarding capacity or support services.

The earlier directory record and historical information are retained below.

Earlier directory summary

Osonkoroi Secondary School is in Narok County (Kilgoris Constituency).

Osonkoroi Secondary School is a mixed day secondary school.

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Earlier directory details

Legacy directory code: H7130086

Address: 270 Kilgoris

Level: Secondary School

Day/Boarding: Day

Gender: Mixed

Ownership: Public

Sponsor: Community

Student Needs: Ordinary

Facts

Acreage: 8

Acreage per enrolment: 2.8

Pupil Teacher Ratio: 5.5

Total Enrolment: 22

Total Teaching staff: 4

Location

County: Narok

Constituency: Kilgoris

Province: Rift Valley

District: Trans Mara

Division: Kilgoris

Location: Osupuko

Sub Location: Naronyo

Staff

PTA Board of Governors Male Teacher: 3

PTA Board of Governors Female Teacher: 1

Non Teaching Staff Male: 1

Non Teaching Staff Female: 1

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Pathways and subject combinations checked 15 October 2026

STEM · 7 combinations

Pure Sciences · 2

Agriculture, Biology, Chemistry (ST1042)
Biology, Chemistry, Physics (ST1048)

Applied Sciences · 5

Agriculture, Business Studies, Geography (ST2050)
Agriculture, Business Studies, Physics (ST2053)
Agriculture, Computer Studies, Physics (ST2067)
Agriculture, Geography, Physics (ST2075)
Biology, Business Studies, Computer Studies (ST2097)

Social Sciences · 4 combinations

Languages & Literature · 1

Computer Studies, Fasihi ya Kiswahili, Indigenous Language (SS1040)

Humanities & Business Studies · 3

Business Studies, Geography, History & Citizenship (SS2025)
Business Studies, Geography, Literature in English (SS2061)
Christian Religious Education, Geography, History & Citizenship (SS2019)

Arts & Sports Science: Not offered

Subjects in these combinations · 12

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

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