Key Workforce Metrics
St Mary's College has 142 staff members (133.2 FTE), including 74 teachers and 68 non-teaching staff.
Student:Teacher Ratio
10.6:1+0.2
Better than national avg
Teaching Staff
74-2.2 FTE
70.1 FTE
Non-Teaching Staff
68
63.1 FTE
Total Staff
142
6% part-time
Staffing Ratio Comparison
How St Mary's College's student-to-teacher ratio compares to state and national averages. A lower ratio generally means more individual attention per student.
10.6:1
13.1:1
12.3:1
With a ratio of 10.6:1, this school has a better student-to-teacher ratio than both the WA average (13.1:1) and the national average (12.3:1).
Workforce Composition
Classroom Teachers
74
70.1 FTE
Non-Teaching Staff
68
63.1 FTE
Total Workforce
142
133.2 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.
FTE Teaching StaffStudent:Teacher RatioNational Avg Ratio
Source: ACARA School Profile (2016–2025)
Staffing History
YearFTE TeachersTotal EnrolmentsStudent:TeacherChange
202570.174110.6:1+0.2
202472.375010.4:1-0.9
202364.873211.3:1+1
202270.672910.3:1-0.4
202168.272710.7:1-0.7
202059.467711.4:1-1.5
201950.765312.9:1+2.3
201857.260910.6:1-0.4
201756.061811:1-0.4
201652.759911.4:1—