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Thornlie Senior High School

GovernmentSecondary7-12
Thornlie, WA 6108 · Major Cities
Students1,125enrolled
Ratio1:13.8student:teacher
SEIFA4/10advantage decile
Staffing
88
teaching staff
FTE Teaching81.5
Non-Teaching39
Student:Teacher13.8:1
Students1,125
Thornlie Senior
OverviewEnrolmentStaffCommunityAttendanceAttainmentTrendsSimilarNearby

Key Workforce Metrics

Thornlie Senior High School has 127 staff members (114.1 FTE), including 88 teachers and 39 non-teaching staff.

Student:Teacher Ratio
13.8:1-0.2
Above national avg
Teaching Staff
88+4.2 FTE
81.5 FTE
Non-Teaching Staff
39
32.6 FTE
Total Staff
127
10% part-time

Staffing Ratio Comparison

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

Thornlie Senior
13.8:1
WA Average
13.1:1
National Average
12.3:1

With a ratio of 13.8:1, this school's ratio is higher than the WA average (13.1:1) and the national average (12.3:1).

Workforce Composition

Classroom Teachers
88
81.5 FTE
Non-Teaching Staff
39
32.6 FTE
Total Workforce
127
114.1 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.

65.775.986.196.4Nat avg79.182.587.680.581.477.782.680.477.381.514:113.6:112.8:114.1:114.3:114.6:113.4:113.3:114:113.8:116171819202122232425
FTE Teaching StaffStudent:Teacher RatioNational Avg Ratio
Source: ACARA School Profile (2016–2025)

Staffing History

YearFTE TeachersTotal EnrolmentsStudent:TeacherChange
202581.51,12513.8:1-0.2
202477.31,08514:1+0.7
202380.41,06613.3:1-0.1
202282.61,10413.4:1-1.2
202177.71,13814.6:1+0.3
202081.41,16414.3:1+0.2
201980.51,13614.1:1+1.3
201887.61,12312.8:1-0.8
201782.51,12313.6:1-0.4
201679.11,10414:1—