18-Year Profile (2008–2025)
Historical profile data for Trinity College Colac from 2008 to 2025. ICSEA has fallen by 7 points over this period. Total enrolment has grown by 82 students.
ICSEA 20081022
ICSEA 20251015-7
Enrolment 2008662
Enrolment 2025744+82
Key Metrics Over Time
Total Enrolments
744
↑
ICSEA Score
1015
↓
ICSEA Percentile
54th
↓
Student:Teacher Ratio
10.8:1
↓
Indigenous Students
2.0%
↑
LBOTE Students
9.0%
↑
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
Bottom16%
Lower41%
Upper26%
Top17%
2017
Bottom25%
Lower35%
Upper27%
Top13%
2025
Bottom29%
Lower38%
Upper23%
Top11%
Top Quarter trend (2008–2025)
↓
Source: ACARA School Profile 2008–2025
Year-by-Year Data
YearEnrolmentsICSEAST RatioIndigenousLBOTE
2025744101510.8:12%9%
2024749101410.8:12%9%
2023746102010.9:12%8%
2022762101812.1:11%8%
2021763101612.2:12%8%
2020730101712.2:12%8%
2019741101512.9:11%7%
2018712101712.8:11%6%
2017724101113.3:12%5%
2016733101313.3:12%4%
2015747101313.1:11%4%
201476498813.1:11%4%
201377699013.5:11%3%
2012750101513.5:11%2%
2011753102613.6:11%2%
2010741102413.9:11%2%
2009690102213.3:11%1%
2008662102213.2:11%1%
Source: ACARA School Profile 2008–2025