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

Key Workforce Metrics

St Marys Senior High School has 81 staff members (80.6 FTE), including 66 teachers and 15 non-teaching staff.

Student:Teacher Ratio
13.7:1+0.1
Above national avg
Teaching Staff
66+1.6 FTE
67.6 FTE
Non-Teaching Staff
15
13.0 FTE
Total Staff
81
0% part-time

Staffing Ratio Comparison

How St Marys Senior High School's student-to-teacher ratio compares to state and national averages. A lower ratio generally means more individual attention per student.

St Marys Senior
13.7:1
NSW Average
12.7:1
National Average
12.3:1

With a ratio of 13.7:1, this school's ratio is higher than the NSW average (12.7:1) and the national average (12.3:1).

Workforce Composition

Classroom Teachers
66
67.6 FTE
Non-Teaching Staff
15
13.0 FTE
Total Workforce
81
80.6 FTE
FTE (full-time equivalent)Headcount (incl. part-time)
Source: ACARA School Profile (2025)

Staffing Trends — 2016–2025

Teaching staff levels and student-to-teacher ratio over time.

55.361.76874.4Nat avg66.167.466.766.866.465.965.965.166.067.613.8:113.5:113.5:113.5:113.7:113.6:113.5:113.5:113.6:113.7:116171819202122232425
FTE Teaching StaffStudent:Teacher RatioNational Avg Ratio
Source: ACARA School Profile (2016–2025)

Staffing History

YearFTE TeachersTotal EnrolmentsStudent:TeacherChange
202567.692613.7:1+0.1
202466.089513.6:1+0.1
202365.187613.5:10
202265.988713.5:1-0.1
202165.989613.6:1-0.1
202066.490913.7:1+0.2
201966.890213.5:10
201866.790113.5:10
201767.490713.5:1-0.3
201666.191313.8:1—