Public senior school

Thomas Fish Secondary School

A C3 mixed boarding senior school in Mashuru sub-county, Kajiado County. It offers STEM and Social Sciences, with 6 subject combinations.

School details admission facts are for the 2026 intake

Cluster: C3
Gender: Mixed
Boarding or day: Boarding
2026 fees: 2026 public boarding-school parent fee ceiling: KSh 53,554 or KSh 40,535, depending on the school's previously approved tier. This school's tier is not listed here.
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 portal · Get an alert when they’re released.

KCSE results 2020–2024

Thomas Fish Secondary School scored a mean of 2.57 (D) in KCSE 2024, 2.2 points below the national average, up from 2.57 in 2023. Over 2019–2024 it ranks 20th of 20 schools in Kajiado County with 3 or more years of published results.

	2024	2023	2022	2021	2020
Mean	2.571	2.565	2.467	1.867	1.750
Grade	D	D	D-	D-	D-
Candidates	21	23	17	15	20

All 6 years of KCSE results, 2019–2024

Pathways and subject combinations checked 15 October 2026

STEM2 combinationsPure Sciences 1 · Applied Sciences 1

Pure Sciences · 1Biology, Chemistry, PhysicsST1048

Applied Sciences · 1Business Studies, Computer Studies, GeographyST2003

Social Sciences4 combinationsLanguages & Literature 1 · Humanities & Business Studies 3

Languages & Literature · 1Fasihi ya Kiswahili, History & Citizenship, Literature in EnglishSS1081

Humanities & Business Studies · 3Business Studies, Computer Studies, History & CitizenshipSS2095

Business Studies, Geography, History & CitizenshipSS2025

Business Studies, History & Citizenship, Literature in EnglishSS2100

Arts & Sports ScienceNot offered

Subjects in these combinations · 9

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

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

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

Codes and registration

KNEC code: 31566206
UIC: NB88
Level: Senior school
Ownership: Public

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Data sources

The public senior-school list supplies this profile's classification and codes. It does not give coordinates or a school-specific fee invoice.

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 325 checked 1 October 2026
Kenya Gazette Notice No. 1449 2026 fee schedule

KCSE results

The school’s audit reports and newspapers: every source, on the results page 2019–2024