St Thomas the Apostle School — Trends (2008–2025) — Blackburn, VIC

18-Year Profile (2008–2025)

Historical profile data for St Thomas the Apostle School from 2008 to 2025. ICSEA has fallen by 15 points over this period. Total enrolment has declined by 144 students.

ICSEA 20081145

ICSEA 20251130-15

Enrolment 2008329

Enrolment 2025185-144

Key Metrics Over Time

Total Enrolments

185

↓

2008–2025-144 (-43.8%)

ICSEA Score

1130

↓

2008–2025-15 (-1.3%)

ICSEA Percentile

91th

↓

2008–2025-3th (-3.2%)

Student:Teacher Ratio

12.4:1

↓

2008–2025-4.5:1 (-26.6%)

Indigenous Students

0.0%

→

2008–20250.0% (NaN%)

LBOTE Students

15.0%

↑

2008–2025+4.0% (36.4%)

Source: ACARA School Profile 2008–2025

Community Composition Shift

How the school's socio-educational advantage distribution has shifted over time. Each bar shows the % of students in each SEA quarter.

2008

Bottom0%

Lower2%

Upper23%

Top75%

2017

Bottom4%

Lower14%

Upper29%

Top54%

2025

Bottom3%

Lower14%

Upper32%

Top51%

Top Quarter trend (2008–2025)

↓

Source: ACARA School Profile 2008–2025

Year-by-Year Data

YearEnrolmentsICSEAST RatioIndigenousLBOTE

2025185113012.4:10%15%

2024206113613.6:10%15%

2023213113012.8:10%18%

2022246111613.7:10%18%

2021264111612.9:10%19%

2020298111615.1:10%20%

2019321111315.7:10%19%

2018346112715.6:10%17%

2017350112515.6:10%17%

2016377112016.8:10%16%

2015360113016.5:11%17%

2014374112516.1:11%17%

2013371110416.5:11%17%

2012362112217.3:11%13%

2011351113418:11%11%

2010338113916.7:10%10%

2009335114517.3:10%10%

2008329114516.9:10%11%

Source: ACARA School Profile 2008–2025