St Mary's School — Trends (2008–2025) — Williamstown, VIC

18-Year Profile (2008–2025)

Historical profile data for St Mary's School from 2008 to 2025. ICSEA has fallen by 30 points over this period. Total enrolment has declined by 92 students.

ICSEA 20081137

ICSEA 20251107-30

Enrolment 2008355

Enrolment 2025263-92

Key Metrics Over Time

Total Enrolments

263

↓

2008–2025-92 (-25.9%)

ICSEA Score

1107

↓

2008–2025-30 (-2.6%)

ICSEA Percentile

86th

↓

2008–2025-7th (-7.5%)

Student:Teacher Ratio

14.5:1

↓

2008–2025-2.2:1 (-13.2%)

Indigenous Students

0.0%

→

2008–20250.0% (NaN%)

LBOTE Students

8.0%

↓

2008–2025-5.0% (-38.5%)

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

Bottom2%

Lower5%

Upper20%

Top73%

2017

Bottom1%

Lower9%

Upper27%

Top63%

2025

Bottom3%

Lower16%

Upper41%

Top40%

Top Quarter trend (2008–2025)

↓

Source: ACARA School Profile 2008–2025

Year-by-Year Data

YearEnrolmentsICSEAST RatioIndigenousLBOTE

2025263110714.5:10%8%

2024262111414.2:10%11%

2023287112114.5:10%14%

2022297113314.4:10%19%

2021312113214.4:11%21%

2020338113615.8:11%22%

2019342113517.5:11%21%

2018332114217.4:11%23%

2017344114416.5:11%23%

2016354114716.3:11%25%

2015352115117.2:11%26%

2014356113518:11%26%

2013361113418.1:11%28%

2012357112616.6:11%18%

2011351112216.2:11%12%

2010334112616.1:10%12%

2009356113717.6:10%11%

2008355113716.7:10%13%

Source: ACARA School Profile 2008–2025