Oloolaiser High School

Senior-school information — 2026 intake

Senior-school cluster: C1
County: KAJIADO
Administrative subcounty: KAJIADO NORTH
KNEC code: 31500026
UIC: 3YA9
Gender: Boys
Day / boarding: Boarding
Ownership: Public

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.

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 38. This list is hosted by Education News and attributed to the Ministry of Education.

Other dated register details: Teachers Arena (Ministry register mirror), row 1837. 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

Oloolaiser High School is in Kajiado County (Kajiado North Constituency).

Oloolaiser High School is a boys boarding secondary school.

Oloolaiser High School is a government boys’ boarding school located in Ngong, Ngong Township Sub location, Ngong Location, Ngong Division, Kajiado North Constituency in Kajiado County.

The school was established in 1967 and opened by the first president of the Republic of Kenya, Mzee Jomo Kenyatta as a harambee day mixed secondary school in the early 1970s. The present day Oloolaiser High School has grown and expanded exponentially to a three stream boarding boys only high school.The school stands on a 38 piece acre land with 640 students and 32.students.
The High School has prided itself in producing alumni who have ended up being notable leaders and pacesetters in their various fields in Kenya and beyond by offering uniquely competitive subjects that give their alumni that upper hand over learners from other schools.

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Earlier directory details

Legacy directory code: R7040388

Address: 71 Ngong Hills

Level: Secondary School

Day/Boarding: Boarding

Gender: Boys

Ownership: Public

Sponsor: Central Government/DEB

Student Needs: Ordinary

Facts

Acreage: 38

Board Teaching staff: 8

Total Enrolment: 1,076

Total Teaching staff: 57

Pupil Teacher Ratio: 18.9

Location

County: Kajiado

Constituency: Kajiado North

Province: Rift Valley

District: Kajiado

Division: Ngong

Location: Ngong

Sub Location: Ngong Township

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Pathways and subject combinations checked 15 October 2026

STEM · 16 combinations

Pure Sciences · 4

Agriculture, Biology, Chemistry (ST1042)
Biology, Business Studies, Chemistry (ST1045)
Biology, Chemistry, Computer Studies (ST1046)
Biology, Chemistry, Physics (ST1048)

Applied Sciences · 8

Agriculture, Building & Construction, Business Studies (ST2045)
Agriculture, Computer Studies, Physics (ST2067)
Agriculture, General Science, Geography (ST2082)
Agriculture, Geography, Physics (ST2075)
Biology, Business Studies, Computer Studies (ST2097)
Business Studies, Computer Studies, Physics (ST2007)
Computer Studies, General Science, Geography (ST2014)
Computer Studies, Geography, Physics (ST2018)

Technical Studies · 4

Biology, Geography, Power Mechanics (ST3013)
Business Studies, General Science, Power Mechanics (ST3109)
Computer Studies, General Science, Power Mechanics (ST3116)
Electricity, General Science, Home Science (ST3008)

Social Sciences · 6 combinations

Humanities & Business Studies · 6

Business Studies, General Science, Geography (SS2067)
Business Studies, Geography, History & Citizenship (SS2025)
Business Studies, History & Citizenship, Literature in English (SS2100)
Christian Religious Education, General Science, Geography (SS2043)
Christian Religious Education, History & Citizenship, Literature in English (SS2082)
General Science, Geography, History & Citizenship (SS2013)

Arts & Sports Science · 4 combinations

Arts · 1

Literature in English, Sports & Recreation, Theatre & Film (AS1053)

Sports · 3

Fasihi ya Kiswahili, Sports & Recreation, Theatre & Film (AS2031)
General Science, Sports & Recreation, Theatre & Film (AS2038)
Media Technology, Sports & Recreation, Theatre & Film (AS2036)

Subjects in these combinations · 19

Agriculture, Biology, Building & Construction, Business Studies, Chemistry, Christian Religious Education, Computer Studies, Electricity, Fasihi ya Kiswahili, General Science, Geography, History & Citizenship, Home Science, Literature in English, Media Technology, Physics, Power Mechanics, Sports & Recreation, Theatre & Film

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