AustraliaACTIsabella PlainsSt 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

Key Indicators

How this school compares to national averages

Nat. avg: 1,000
1068+68
ICSEA Score
Nat. avg: 434
2,088
Total Enrolments
Nat. avg: 12.3
13.8:1+1.5
Student : Teacher
Nat. avg: 26.9%
8%
LBOTE
Nat. avg: 11.7%
4%
Indigenous Students
Higher = less disadvantaged
8 / 10
SEIFA IRSD Decile
Nat. avg: 25%
27%+2pp
SEA Top Quarter
7-12
Year Range

Overview

St Mary MacKillop College is a catholic secondary school in Isabella Plains, Australian Capital Territory, serving 7-12. The school has 2,088 enrolled students. Its ICSEA value is 1068 (above average). The student-to-teacher ratio is 13.8:1. The school is located in a SEIFA IRSD decile 8 area.

Source: ACARA School Profile 2025 (2025)

Key Facts

SectorCatholic
School TypeSecondary
Year Range7-12
Governing BodyCatholic Education, Archdiocese of Canberra and Goulburn
Postcode2905
RemotenessMajor Cities
ACARA ID49960

Student Background

Total Enrolments2,088
Gender Split1112 girls / 976 boys
Indigenous Students4%
Language Background Other Than English8%
English Background92%

Socio-Educational Advantage Distribution

Bottom quarter
10%
Lower middle
29%
Upper middle
34%
Top quarter
27%
Source: ACARA School Profile (2025)

Enrolment by Year Level

2,088 students across 6 year levels (2025)

Yr 7359
Yr 8387
Yr 9351
Yr 10356
Yr 11329
Yr 12306
Source: ACARA Enrolments by Grade (2025)

Staffing

Teaching Staff186 (150.9 FTE)
Non-Teaching Staff88 (61.0 FTE)
Total Staff274
Student:Teacher Ratio13.8:1
Source: ACARA School Profile (2025)