AustraliaNSWMascotJ J Cahill Memorial High School

J J Cahill Memorial High School

GovernmentSecondary7-12
Mascot, NSW 2020 · Major Cities
jjcahill-h.school@det.nsw.edu.au 9669 5118
Students298enrolled
Ratio1:7.6student:teacher
SEIFA9/10advantage decile
School Snapshot
Government
Secondary · 7-12
ICSEA987
vs National-13 (avg 1000)
Students298
SEIFA9/10
SettingMajor Cities
Visit school website →
J J Cahill Memorial

Key Indicators

How this school compares to national averages

Nat. avg: 1,000
987-13
ICSEA Score
Nat. avg: 434
298
Total Enrolments
Nat. avg: 12.3
7.6:1-4.7
Student : Teacher
Nat. avg: 26.9%
66%
LBOTE
Nat. avg: 11.7%
7%
Indigenous Students
Higher = less disadvantaged
9 / 10
SEIFA IRSD Decile
Nat. avg: 25%
9%-16pp
SEA Top Quarter
7-12
Year Range

Overview

J J Cahill Memorial High School is a government secondary school in Mascot, New South Wales, serving 7-12. The school has 298 enrolled students. Its ICSEA value is 987 (average). The student-to-teacher ratio is 7.6:1. The school is located in a SEIFA IRSD decile 9 area.

Source: ACARA School Profile 2025 (2025)

Key Facts

SectorGovernment
School TypeSecondary
Year Range7-12
Governing BodyNSW Department of Education
Postcode2020
LGABayside (NSW)
RemotenessMajor Cities
ACARA ID41165

Student Background

Total Enrolments298
Gender Split128 girls / 170 boys
Indigenous Students7%
Language Background Other Than English66%
English Background34%

Socio-Educational Advantage Distribution

Bottom quarter
39%
Lower middle
29%
Upper middle
23%
Top quarter
9%
Source: ACARA School Profile (2025)

Enrolment by Year Level

298 students across 6 year levels (2025)

Yr 754
Yr 858
Yr 937
Yr 1049
Yr 1162
Yr 1238
Source: ACARA Enrolments by Grade (2025)

Staffing

Teaching Staff32 (39.3 FTE)
Non-Teaching Staff13 (11.6 FTE)
Total Staff45
Student:Teacher Ratio7.6:1
Source: ACARA School Profile (2025)