Enrolment Summary
The Illawarra Grammar School has 970 students enrolled across 13 year levels as of 2025. Total enrolment increased by 37 students (4.0%) from 2024.
Total Students970
Primary447
Secondary523
YoY Change (2024→2025)+37
Enrolment by Year Level — 2025
Pre-Year 149-8
Year 160+9
Year 254-5
Year 364+11
Year 462-8
Year 577+3
Year 681+9
Year 7106+35
Year 870-28
Year 994-7
Year 10101+38
Year 1160-37
Year 1292+25
20252024
Source: ACARA Enrolments by Grade (2025)
Total Enrolment Over Time
The Illawarra Grammar School enrolment from 2016 to 2025.
Source: ACARA School Profile (2016–2025)
Gender Balance
Currently 464 girls (48%) and 506 boys (52%).
48%52%
GirlsBoys
Source: ACARA School Profile (2016–2025)
Gender Breakdown by Year
YearGirlsBoysTotalGirls %
202546450697048%
202443050393346%
202342248490647%
202240043283248%
202137639977549%
202038540178649%
201937140677748%
201837744382046%
201739546686146%
201643050093046%
Year-on-Year Comparison
Year Level20242025Change
Pre-Y15749-8
Year 15160+9
Year 25954-5
Year 35364+11
Year 47062-8
Year 57477+3
Year 67281+9
Year 771106+35
Year 89870-28
Year 910194-7
Year 1063101+38
Year 119760-37
Year 126792+25
Total933970+37
Source: ACARA Enrolments by Grade (2024–2025)