Enrolment Summary
Blue Mountains Grammar School has 512 students enrolled across 13 year levels as of 2025. Total enrolment decreased by 25 students (-4.7%) from 2024.
Total Students512
Primary152
Secondary360
YoY Change (2024→2025)-25
Enrolment by Year Level — 2025
Pre-Year 120+2
Year 118-3
Year 221+3
Year 318-4
Year 424+6
Year 523-5
Year 628—
Year 756-9
Year 865-10
Year 969-4
Year 1060-6
Year 1160+9
Year 1250-4
20252024
Source: ACARA Enrolments by Grade (2025)
Total Enrolment Over Time
Blue Mountains Grammar School enrolment from 2016 to 2025.
Source: ACARA School Profile (2016–2025)
Gender Balance
Currently 244 girls (48%) and 268 boys (52%).
48%52%
GirlsBoys
Source: ACARA School Profile (2016–2025)
Gender Breakdown by Year
YearGirlsBoysTotalGirls %
202524426851248%
202426027753748%
202326226953149%
202224726551248%
202126025851850%
202025126351449%
201925928354248%
201826829556348%
201728632060647%
201627431659046%
Year-on-Year Comparison
Year Level20242025Change
Pre-Y11820+2
Year 12118-3
Year 21821+3
Year 32218-4
Year 41824+6
Year 52823-5
Year 62828—
Year 76556-9
Year 87565-10
Year 97369-4
Year 106660-6
Year 115160+9
Year 125450-4
Total537512-25
Source: ACARA Enrolments by Grade (2024–2025)