Public senior school
St. Mary’s Sosio Secondary School
Also listed as St. Mary’s Sosio Secondary.
A senior school in Kimilili sub-county, Bungoma County. It offers STEM, Social Sciences and Arts & Sports Science, with 23 subject combinations.
School details admission facts are for the 2026 intake
- Cluster
- C2Ministry 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
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 2006–2010
St. Mary’s Sosio Secondary School scored a mean of 5.13 (C-) in KCSE 2010, close to that year’s national average of 5.15, up from 5.07 in 2009.
| 2010 | 2009 | 2008 | 2007 | 2006 | |
|---|---|---|---|---|---|
| Mean | 5.129 | 5.066 | 5.000 | 5.027 | 4.359 |
| Grade | C- | C- | C- | C- | D+ |
| Candidates | 85 | 91 | 53 | 74 | 78 |
Pathways and subject combinations checked 15 October 2026
STEM14 combinationsPure Sciences 3 · Applied Sciences 8 · Technical Studies 3
Pure Sciences · 3Biology, Business Studies, ChemistryST1045
Biology, Chemistry, Computer StudiesST1046
Biology, Chemistry, PhysicsST1048
Applied Sciences · 8Agriculture, Biology, Computer StudiesST2057
Agriculture, Biology, GeographyST2071
Agriculture, Biology, Home ScienceST2081
Agriculture, Computer Studies, Home ScienceST2063
Agriculture, Computer Studies, PhysicsST2067
Agriculture, Geography, PhysicsST2075
Biology, Business Studies, Computer StudiesST2097
Biology, Computer Studies, GeographyST2011
Technical Studies · 3Biology, Business Studies, Media TechnologyST3065
Biology, Geography, Media TechnologyST3077
Geography, Home Science, Media TechnologyST3080
Social Sciences6 combinationsLanguages & Literature 1 · Humanities & Business Studies 5
Languages & Literature · 1Fasihi ya Kiswahili, History & Citizenship, Literature in EnglishSS1081
Humanities & Business Studies · 5Business Studies, French, GeographySS2068
Business Studies, Geography, History & CitizenshipSS2025
Christian Religious Education, French, GeographySS2040
Christian Religious Education, History & Citizenship, Literature in EnglishSS2082
French, Geography, History & CitizenshipSS2016
Arts & Sports Science3 combinationsSports 3
Sports · 3Fasihi ya Kiswahili, Music & Dance, Sports & RecreationAS2048
General Science, Sports & Recreation, Theatre & FilmAS2038
Media Technology, Sports & Recreation, Theatre & FilmAS2036
Subjects in these combinations · 18
Agriculture, Biology, Business Studies, Chemistry, Christian Religious Education, Computer Studies, Fasihi ya Kiswahili, French, General Science, Geography, History & Citizenship, Home Science, Literature in English, Media Technology, Music & Dance, Physics, Sports & Recreation, Theatre & FilmSenior schools in Bungoma County offering STEM · Social Sciences · Arts & Sports Science
Codes and registration
- KNEC code
- 36621105
- UIC
- YUZX
- School code
- M8010162
- Level
- Senior school
- Sponsor
- Religious Organisation
- Student needs
- Ordinary
- Postal address
- 401 KIMILILI
- 2013 gender
- Mixed
- 2013 boarding or day
- Day & Boarding
Older records figures from the 2013 records; counts made in 2007
- Students enrolled
- 397
- Teaching staff
- 24
- Students per teacher
- 16.5
- Acreage per enrolment
- 41.8
Staff counted in 2007 ›
| Role | Men | Women | Total |
|---|---|---|---|
| TSC teachers | 15 | 8 | 23 |
| PTA and board teachers | 1 | 0 | 1 |
| Non-teaching staff | 13 | 4 | 17 |
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Data sources
The school description and 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 46 classification and codes
- June 2025 senior-school register, row 784 checked 1 October 2026
- Kenya Gazette Notice No. 1449 2026 fee schedule
KCSE results
- KNEC for 2006–2010: every source, on the results page 2006–2010
2013 school data
- Kenya Open Data Initiative 2013 school data
Map
- © OpenStreetMap contributors; county outline: IEBC via UN OCHA map data