Australia›NSW›St Marys›St Marys Senior High School

St Marys Senior High School

GovernmentSecondary11-12
St Marys, NSW 2760 · Major Cities
stmaryssen-h.school@det.nsw.edu.au 9623 8333
926Students
1052ICSEA
1:13.7Ratio
3/10SEIFA
St Marys Senior
OverviewEnrolmentStaffCommunityAttendanceAttainmentTrendsSimilarNearby

Enrolment Summary

St Marys Senior High School has 926 students enrolled across 2 year levels as of 2025. Total enrolment increased by 31 students (3.5%) from 2024.

Total Students926
Secondary926
YoY Change (2024→2025)+31

Enrolment by Year Level — 2025

Year 11
463+4
Year 12
463+27
20252024
Source: ACARA Enrolments by Grade (2025)

Total Enrolment Over Time

St Marys Senior High School enrolment from 2016 to 2025.

78883488092697291316907179011890219909208962188722876238952492625
Source: ACARA School Profile (2016–2025)

Gender Balance

Currently 564 girls (61%) and 362 boys (39%).

61%
39%
74580285891597259658158057156958355950151756431732632133134031332837537836216171819202122232425
GirlsBoys
Source: ACARA School Profile (2016–2025)

Gender Breakdown by Year

YearGirlsBoysTotalGirls %
202556436292661%
202451737889558%
202350137587657%
202255932888763%
202158331389665%
202056934090963%
201957133190263%
201858032190164%
201758132690764%
201659631791365%

Year-on-Year Comparison

Year Level20242025Change
Year 11459463+4
Year 12436463+27
Total895926+31
Source: ACARA Enrolments by Grade (2024–2025)