Australia›ACT›Isabella Plains›St Mary MacKillop College

St Mary MacKillop College

CatholicSecondary7-12
Isabella Plains, ACT 2905 · Major Cities
2,088Students
1068ICSEA
1:13.8Ratio
8/10SEIFA
St Mary MacKillop
OverviewEnrolmentStaffCommunityAttendanceAttainmentTrendsSimilarNearby

Key Workforce Metrics

St Mary MacKillop College has 274 staff members (211.9 FTE), including 186 teachers and 88 non-teaching staff.

Student:Teacher Ratio
13.8:1+0.2
Above national avg
Teaching Staff
186+0.6 FTE
150.9 FTE
Non-Teaching Staff
88
61.0 FTE
Total Staff
274
23% part-time

Staffing Ratio Comparison

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

St Mary MacKillop
13.8:1
ACT Average
13:1
National Average
12.3:1

With a ratio of 13.8:1, this school's ratio is higher than the ACT average (13:1) and the national average (12.3:1).

Workforce Composition

Classroom Teachers
186
150.9 FTE
Non-Teaching Staff
88
61.0 FTE
Total Workforce
274
211.9 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.

107.4127.7147.9168.1Nat avg130.3131.3126.4132.7134.3141.5152.8143.2150.3150.913.6:113.5:113.7:113.4:113.7:113.5:112.7:113.9:113.6:113.8:116171819202122232425
FTE Teaching StaffStudent:Teacher RatioNational Avg Ratio
Source: ACARA School Profile (2016–2025)

Staffing History

YearFTE TeachersTotal EnrolmentsStudent:TeacherChange
2025150.92,08813.8:1+0.2
2024150.32,04813.6:1-0.3
2023143.21,98913.9:1+1.2
2022152.81,94312.7:1-0.8
2021141.51,91513.5:1-0.2
2020134.31,84413.7:1+0.3
2019132.71,78213.4:1-0.3
2018126.41,73413.7:1+0.2
2017131.31,77413.5:1-0.1
2016130.31,77413.6:1—