St Sebastian Separate School, London Ontario
St Sebastian Separate School is a London District Catholic School Board elementary school serving grades JK-8 in the Glen Cairn, Pond Mills, Chelsea Green, and Meadowlily Woods neighbourhoods of London, Ontario. Enrollment is 330 students, and the school is located at 225 Cairn St, London, ON.
This page includes the St Sebastian Separate School boundary map showing the attendance catchment area.
Academic Performance
Academic Results Table
Percentages show the share of students meeting the provincial standard (EQAO Level 3+). Results are reported only for grades assessed at this school.
| Assessment | St Sebastian Separate School | London average | Trend (3-year) |
|---|---|---|---|
| Grade 3 Reading | 66% | 67.3% | Up |
| Grade 3 Writing | 43% | 58.1% | Down |
| Grade 3 Mathematics | 37% | 56.9% | Up |
| Grade 6 Reading | 92% | 77.9% | Up |
| Grade 6 Writing | 92% | 76.0% | Up |
| Grade 6 Mathematics | 40% | 48.0% | Up |
Trend reflects three-year change in reported percentages.
Three-year trend summary: improving overall (+9.8 percentage points on average across assessments).
Academic Interpretation
St Sebastian Separate School's results are mixed compared with the London averages. Grade 3 writing declined while Grade 3 reading and Grade 3 mathematics improved. Grade 6 results improved across subjects.
Housing Stability and Family Environment
| Indicator | Catchment | London overall |
|---|---|---|
| Homeownership rate | 60.3% | 58.2% |
| Average household size | 2.4 | 2.4 |
| Family households share | 60.5% | 60.8% |
Higher homeownership and a smaller share of family households typically align with lower residential turnover compared with London overall.
Income and Education Context
| Indicator | Catchment | London overall |
|---|---|---|
| Median household income (2020) | $66,997 | $81,043 |
| Post-secondary attainment | 56.0% | 67.8% |
| Bachelor's degree or higher | 17.5% | 35.0% |
Educational attainment levels are lower in the catchment than the London average, indicating a less post-secondary educated environment.
Housing Type and Neighbourhood Character
| Housing type mix | Catchment | London overall |
|---|---|---|
| Detached | 39.2% | 49.0% |
| Row houses | 20.0% | 13.3% |
| Apartments | 32.4% | 34.3% |
| Semi-detached | 8.3% | 3.4% |
| Population density (people per sq km) | 1,482 | 943 |
The catchment has a lower share of detached and row housing than London overall and a higher population density, indicating a more compact residential pattern than the city average.
Language and Newcomer Context
| Indicator | Catchment | London overall |
|---|---|---|
| Immigrant share of population | 25.6% | 26.0% |
| Top non-English languages reported |
|
|
| Refugee population | 9.1% | 6.7% |
The immigrant share is similar to London overall. Families may notice Arabic 4.9%, Spanish 4.7%, Portuguese 2.5%, and Italian 2.0% as the most commonly reported non-English languages in day-to-day community settings.
Overall, compared to London as a whole, this school's catchment can be described as more affordable, with higher homeownership, slightly smaller households, a more apartment-heavy housing mix, while immigrant share is similar to the city average.
Comparable Schools
Data Sources, Methodology & Notes
EQAO assessment results: Ontario EQAO Level 3+ results for Grades 3 and 6 (data release 2025).
Census data: Statistics Canada Census 2021 indicators aggregated to the school catchment boundary.
London overall comparisons: Statistics Canada Census 2021 indicators for the City of London, Ontario.
Language indicators use census language categories (knowledge of official languages and reported non-English languages).
Catchment boundary: the school boundary map uses the catchment polygon to display the boundary and summarize census indicators within the zone.
Disclaimer: Information on this page is not guaranteed to be accurate or complete. Please do your own research and confirm details with official sources.
Interpretation: All summaries are descriptive and based on reported data; census context does not determine academic outcomes.