Public senior school

St Mary’s Lwak Girls’ School

Also listed as Lwak Girls Secondary School.

A senior school in Rarieda sub-county, Siaya County. It offers STEM, Social Sciences and Arts & Sports Science, with 45 subject combinations.

School details admission facts are for the 2026 intake

Cluster: C1Ministry of Education senior-school cluster.
Gender: Girls
Boarding or day: Boarding
2026 fees: KSh 53,554 or 40,535 per year, depending on the approved tierGovernment-set schedule, not an individual school invoice.
Ownership: Public
Sponsor: Catholic Church
Founded: 1965
Motto: In Pursuit of Excellence and Integrity
Postal address: P.O. Box 4-40611, Nyilima

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 the latest 5 years we hold

St Mary’s Lwak Girls’ School scored a mean of 7.75 (B-) in KCSE 2022, 3.3 points above the national average, up from 6.79 in 2021. Over 2019–2022 it ranks 137th of 564 schools in Kenya with 3 or more years of published results.

	2022	2021	2020	2019	2010
Mean	7.750	6.790	7.360	7.000	7.749
Grade	B-	C+	C+	C+	B-
Candidates	388	399	408	345	223

All 8 years of KCSE results, 2006–2022

Pathways and subject combinations checked 15 October 2026

STEM21 combinationsPure Sciences 4 · Applied Sciences 13 · Technical Studies 4

Pure Sciences · 4Agriculture, Biology, ChemistryST1042

Biology, Business Studies, ChemistryST1045

Biology, Chemistry, Computer StudiesST1046

Biology, Chemistry, PhysicsST1048

Applied Sciences · 13Agriculture, Biology, Computer StudiesST2057

Agriculture, Biology, Home ScienceST2081

Agriculture, Business Studies, Computer StudiesST2047

Agriculture, Computer Studies, Home ScienceST2063

Agriculture, Geography, Home ScienceST2089

Agriculture, Geography, PhysicsST2075

Agriculture, Home Science, Marine & FisheriesST2090

Biology, Business Studies, Computer StudiesST2097

Business Studies, Chemistry, Computer StudiesST2099

Business Studies, Computer Studies, GeographyST2003

Business Studies, Computer Studies, PhysicsST2007

Computer Studies, Geography, PhysicsST2018

Computer Studies, Home Science, PhysicsST2031

Technical Studies · 4Biology, Business Studies, Marine & FisheriesST3028

Business Studies, Media Technology, PhysicsST3073

Electricity, Geography, PhysicsST3026

Geography, Physics, Power MechanicsST3023

Social Sciences18 combinationsLanguages & Literature 4 · Humanities & Business Studies 14

Languages & Literature · 4Christian Religious Education, French, GermanSS1048

French, Geography, GermanSS1051

French, Geography, Mandarin ChineseSS1055

French, German, History & CitizenshipSS1049

Humanities & Business Studies · 14Business Studies, Christian Religious Education, FrenchSS2112

Business Studies, Computer Studies, History & CitizenshipSS2095

Business Studies, Geography, History & CitizenshipSS2025

Business Studies, Geography, Literature in EnglishSS2061

Business Studies, German, History & CitizenshipSS2099

Business Studies, History & Citizenship, Literature in EnglishSS2100

Christian Religious Education, Fasihi ya Kiswahili, GeographySS2035

Christian Religious Education, Fasihi ya Kiswahili, History & CitizenshipSS2069

Christian Religious Education, French, History & CitizenshipSS2075

Christian Religious Education, Geography, History & CitizenshipSS2019

Christian Religious Education, German, History & CitizenshipSS2079

Christian Religious Education, History & Citizenship, Literature in EnglishSS2082

Fasihi ya Kiswahili, Geography, History & CitizenshipSS2018

Geography, History & Citizenship, Literature in EnglishSS2004

Arts & Sports Science6 combinationsArts 4 · Sports 2

Arts · 4Business Studies, Fine Arts, Music & DanceAS1020

Computer Studies, Fine Arts, Music & DanceAS1021

Fine Arts, Literature in English, Theatre & FilmAS1014

Literature in English, Sports & Recreation, Theatre & FilmAS1053

Sports · 2Fasihi ya Kiswahili, Sports & Recreation, Theatre & FilmAS2031

General Science, Sports & Recreation, Theatre & FilmAS2038

Subjects in these combinations · 24

Agriculture, Biology, Business Studies, Chemistry, Christian Religious Education, Computer Studies, Electricity, Fasihi ya Kiswahili, Fine Arts, French, General Science, Geography, German, History & Citizenship, Home Science, Literature in English, Mandarin Chinese, Marine & Fisheries, Media Technology, Music & Dance, Physics, Power Mechanics, Sports & Recreation, Theatre & Film

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

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

Codes and registration

KNEC code: 42721201
UIC: XBRN
School code: C6110609
Level: Senior school
Student needs: Ordinary

School figures most recent counts

Students enrolled: 2,346
Teaching staff: 97
TSC teachers: 49
Board teachers: 48
Students per teacher: 24.2
Classrooms: 37
Dormitories: 23
Laboratories: 5
Acres: 16

School history

Lwak Girls was founded in 1965 by the Franciscan Sisters of St. Anna as a harambee school with 30 students. It is a Catholic-sponsored girls’ boarding school with Catholic traditions such as Mass.

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Data sources

School history and updated details use the sources below. Other details come from the 2013 school data. Classification and codes come from the 2026 senior-school register.

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 174 classification and codes
June 2025 senior-school register, row 8192 checked 1 October 2026
Kenya Gazette Notice No. 1449 2026 fee schedule

KCSE results

KNEC for 2006–2010, the school’s audit reports since: every source, on the results page 2006–2022