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St Mary's School

CatholicPrimaryPrep-6
Williamstown, VIC 3016 · Major Cities
03 5775 2670
Students263enrolled
Ratio1:14.5student:teacher
SEIFA10/10advantage decile
Staffing
24
teaching staff
FTE Teaching18.2
Non-Teaching12
Student:Teacher14.5:1
Students263
St Mary's
OverviewEnrolmentStaffCommunityAttendanceAttainmentTrendsSimilarNearby

Key Workforce Metrics

St Mary's School has 36 staff members (25.4 FTE), including 24 teachers and 12 non-teaching staff.

Student:Teacher Ratio
14.5:1+0.3
Above national avg
Teaching Staff
24-0.2 FTE
18.2 FTE
Non-Teaching Staff
12
7.2 FTE
Total Staff
36
29% part-time

Staffing Ratio Comparison

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

St Mary's
14.5:1
VIC Average
11.7:1
National Average
12.3:1

With a ratio of 14.5:1, this school's ratio is higher than the VIC average (11.7:1) and the national average (12.3:1).

Workforce Composition

Classroom Teachers
24
18.2 FTE
Non-Teaching Staff
12
7.2 FTE
Total Workforce
36
25.4 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.

15.518.321.123.9Nat avg21.720.919.119.521.421.620.619.818.418.216.3:116.5:117.4:117.5:115.8:114.4:114.4:114.5:114.2:114.5:116171819202122232425
FTE Teaching StaffStudent:Teacher RatioNational Avg Ratio
Source: ACARA School Profile (2016–2025)

Staffing History

YearFTE TeachersTotal EnrolmentsStudent:TeacherChange
202518.226314.5:1+0.3
202418.426214.2:1-0.3
202319.828714.5:1+0.1
202220.629714.4:10
202121.631214.4:1-1.4
202021.433815.8:1-1.7
201919.534217.5:1+0.1
201819.133217.4:1+0.9
201720.934416.5:1+0.2
201621.735416.3:1—