AustraliaWAThornlieThornlie Senior High School

Thornlie Senior High School

GovernmentSecondary7-12
Thornlie, WA 6108 · Major Cities
Students1,125enrolled
Ratio1:13.8student:teacher
SEIFA4/10advantage decile
School Snapshot
Government
Secondary · 7-12
ICSEA969
vs National-31 (avg 1000)
Students1,125
SEIFA4/10
SettingMajor Cities
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Thornlie Senior

Key Indicators

How this school compares to national averages

Nat. avg: 1,000
969-31
ICSEA Score
Nat. avg: 434
1,125
Total Enrolments
Nat. avg: 12.3
13.8:1+1.5
Student : Teacher
Nat. avg: 26.9%
42%
LBOTE
Nat. avg: 11.7%
7%
Indigenous Students
Higher = less disadvantaged
4 / 10
SEIFA IRSD Decile
Nat. avg: 25%
6%-19pp
SEA Top Quarter
7-12
Year Range

Overview

Thornlie Senior High School is a government secondary school in Thornlie, Western Australia, serving 7-12. The school has 1,125 enrolled students. Its ICSEA value is 969 (average). The student-to-teacher ratio is 13.8:1. The school is located in a SEIFA IRSD decile 4 area.

Source: ACARA School Profile 2025 (2025)

Key Facts

SectorGovernment
School TypeSecondary
Year Range7-12
Governing BodyDepartment of Education Western Australia
Postcode6108
RemotenessMajor Cities
ACARA ID48158

Student Background

Total Enrolments1,125
Gender Split538 girls / 587 boys
Indigenous Students7%
Language Background Other Than English42%
English Background11%
Language Not Stated48%

Socio-Educational Advantage Distribution

Bottom quarter
47%
Lower middle
30%
Upper middle
17%
Top quarter
6%
Source: ACARA School Profile (2025)

Enrolment by Year Level

1,125 students across 6 year levels (2025)

Yr 7200
Yr 8204
Yr 9203
Yr 10210
Yr 11157
Yr 12151
Source: ACARA Enrolments by Grade (2025)

Staffing

Teaching Staff88 (81.5 FTE)
Non-Teaching Staff39 (32.6 FTE)
Total Staff127
Student:Teacher Ratio13.8:1
Source: ACARA School Profile (2025)