Senior Schools in Isiolo County {Ultimate List for Grade 10 to 12 Admissions}

By Editorial Team

February 21, 2026

Isiolo Girls High School: Full details, location, CBE Subjects Offered, UIC, Knec Code

Senior Schools in Isiolo County {Ultimate List}: Isiolo County, found in the Eastern Region of Kenya, has a total of 35 registered Senior Schools offering the Competency Based Education (CBE). Of these, 3 are Private schools, while the remaining are Public schools. The County is home to some of Kenya’s most consistent academic giants. Some of the top mentions include:

Isiolo Girls High School (National School): As the only National (C1) Girls’ school in the county, it is a premier institution known for disciplined environments and competitive KNECresults.
Garbatulla High School (National School): Historically one of the most prestigious schools in Northern Kenya, it serves as the top National Boys’ school in the region.
Isiolo Boys High School (Extra-County): A leading boarding school for boys, it is a top choice for students within and outside the county looking for a strong academic foundation.
Kinna Secondary School (Extra-County): Known for its steady performance, this school is a key educational hub in the Garbatulla sub-county.

Other schools that deserve honourable mention are:

Bulesa Day Secondary
Elsa Secondary School
Kulamawe Secondary
Paul’s Kiwanjani

Also read: List of Best, Top Performing Schools in Isiolo County

Breakdown of Senior Schools in Isiolo County.

Get a well sorted list of all Registered Senior Schools in the County. Scroll through the list that is sorted in the following order:

List of C1 Schools
All C2 Schools
List of C3 Schools
C4 Schools’ List
Private Schools ( abbreviated as PR).

INSTITUTION NAME	SEX	KNEC CODE	CLUSTER	ACCOMODATION TYPE	INFORMATION
ISIOLO GIRLS’ HIGH SCHOOL	GIRLS	17300009	C1	BOARDING	See more
GARBATULA HIGH	BOYS	17300015	C1	BOARDING	See more
ISIOLO BOYS	BOYS	17306101	C2	BOARDING	See more
KINNA SEC	MIXED	17322201	C2	BOARDING	See more
NGAREMARA SEC	BOYS	17306105	C3	BOARDING	See more
ELSA SEC	MIXED	17306206	C3	BOARDING	See more
NGAREMARA GIRLS SEC	GIRLS	17306110	C3	BOARDING	See more
MERTI MUSLIM GIRLS	GIRLS	17356102	C3	BOARDING	See more
MERTI SECONDARY	BOYS	17356101	C3	BOARDING	See more
BULESA DAY SEC	MIXED	17356203	C3	BOARDING	See more
SERICHO SEC	MIXED	17373301	C3	BOARDING	See more
KIPSING SEC	MIXED	17372302	C3	BOARDING	See more
OLDONYIRO SECONDARY SCH	MIXED	17372301	C3	BOARDING	See more
KULAMAWE SEC	MIXED	17322202	C3	BOARDING	See more
Aremiet Mixed	MIXED	17306208	C4	DAY	See more
ISIOLO BARRACKS SEC	MIXED	17306106	C4	DAY	See more
MWANGAZA GIRLS DAY	GIRLS	17306109	C4	DAY	See more
LEPARUA MIXED DAY SEC	MIXED	17306303	C4	DAY	See more
UHURU MIXED	MIXED	17306204	C4	DAY	See more
ST PAULS KIWANJANI	MIXED	17306104	C4	DAY	See more
Kambi Garba Mixed	MIXED	17306209	C4	DAY	See more
BULAMPYA DAY	MIXED	17306205	C4	DAY	See more
Kisima 78 Mixed	MIXED	17306113	C4	DAY	See more
WASO	MIXED	17306202	C4	DAY	See more
Biliqo[Isiolo-Merti]	MIXED	17356104	C4	DAY	See more
BILIQI NUR MIXED	MIXED	17373302	C4	DAY	See more
KORBESA MIXED DAY	MIXED	17377101	C4	DAY	See more
Dadachabasa Mixed Day Secondary	MIXED	17377102	C4	DAY	See more
Oldonyiro Girls	MIXED	17372304	C4	DAY	See more
Gafarsa Mixed	MIXED	17322102	C4	DAY	See more
Garbatulla Day Girls Secondary School	GIRLS	17322103	C4	DAY	See more
ALGANI GIRLS DAY SECONDARY SCHOOL	GIRLS	17322203	C4	DAY	See more
SACRED HEART OF JESUS MINOR SEMINARY	BOYS	17306201	PR	HYBRID	See more
WAMY ISIOLO HIGH SCHOOL	BOYS	17306112	PR	HYBRID	See more
CDI ST. MARY’S GIRLS SECONDARY SCHOOL	GIRLS	17306103	PR	HYBRID	See more