Isiolo St. Mary's Secondary School is in Isiolo County (Isiolo North Constituency).

Isiolo St. Mary's Secondary School is a girls boarding secondary school.

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Details

School Code: L4020010

Address: 119 Isiolo

Level: Secondary School

Day/Boarding: Boarding

Gender: Girls

Ownership: Private

Sponsor: Religious Organisation

Student Needs: Ordinary

Facts

Pupil Teacher Ratio: 16.9

Total Enrolment: 287

Total Teaching staff: 17

Location

County: Isiolo

Constituency: Isiolo North

Province: Eastern

District: Isiolo

Division: Central - Isiolo

Location: Isiolo East

Sub Location: Kiwanjani

Staff

Other Male Teachers: 9

Other Female Teachers: 8

Non Teaching Staff Male: 1

Non Teaching Staff Female: 1

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Pathways and subject combinations checked 15 October 2026

STEM · 2 combinations

Pure Sciences · 2

  • Agriculture, Biology, Chemistry (ST1042)
  • Biology, Chemistry, Physics (ST1048)
Social Sciences · 2 combinations

Humanities & Business Studies · 2

  • Business Studies, Geography, History & Citizenship (SS2025)
  • Christian Religious Education, Geography, History & Citizenship (SS2019)

Arts & Sports Science: Not offered

Subjects in these combinations · 8

Agriculture, Biology, Business Studies, Chemistry, Christian Religious Education, Geography, History & Citizenship, Physics

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

Data sources