Enrolment Summary
Trinity College Senior has 669 students enrolled across 2 year levels as of 2025. Total enrolment increased by 28 students (4.4%) from 2024.
Total Students669
Secondary669
YoY Change (2024→2025)+28
Enrolment by Year Level — 2025
Year 11340-20
Year 12329+48
20252024
Source: ACARA Enrolments by Grade (2025)
Total Enrolment Over Time
Trinity College Senior enrolment from 2016 to 2025.
Source: ACARA School Profile (2016–2025)
Gender Balance
Currently 339 girls (51%) and 330 boys (49%).
51%49%
GirlsBoys
Source: ACARA School Profile (2016–2025)
Gender Breakdown by Year
YearGirlsBoysTotalGirls %
202533933066951%
202432931264151%
202326528755248%
202226028654648%
202130828359152%
202028228456650%
201926128354448%
201828430458848%
201730331661949%
201631930462351%
Year-on-Year Comparison
Year Level20242025Change
Year 11360340-20
Year 12281329+48
Total641669+28
Source: ACARA Enrolments by Grade (2024–2025)