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Underdale High School

GovernmentSecondary7-12
Underdale, SA 5032 · Major Cities
629Students
1000ICSEA
1:13.2Ratio
8/10SEIFA
Underdale
OverviewEnrolmentStaffCommunityAttendanceAttainmentTrendsSimilarNearby

Key Workforce Metrics

Underdale High School has 78 staff members (68.4 FTE), including 49 teachers and 29 non-teaching staff.

Student:Teacher Ratio
13.2:1+0.7
Above national avg
Teaching Staff
49-2.9 FTE
47.5 FTE
Non-Teaching Staff
29
20.9 FTE
Total Staff
78
12% part-time

Staffing Ratio Comparison

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

Underdale
13.2:1
SA Average
12.6:1
National Average
12.3:1

With a ratio of 13.2:1, this school's ratio is higher than the SA average (12.6:1) and the national average (12.3:1).

Workforce Composition

Classroom Teachers
49
47.5 FTE
Non-Teaching Staff
29
20.9 FTE
Total Workforce
78
68.4 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.

28.639.249.760.2Nat avg33.736.940.340.444.346.551.654.750.447.515.3:113.7:112.4:112.6:112.4:112.5:113.1:112.2:112.5:113.2:116171819202122232425
FTE Teaching StaffStudent:Teacher RatioNational Avg Ratio
Source: ACARA School Profile (2016–2025)

Staffing History

YearFTE TeachersTotal EnrolmentsStudent:TeacherChange
202547.562913.2:1+0.7
202450.462812.5:1+0.3
202354.766712.2:1-0.9
202251.667513.1:1+0.6
202146.558212.5:1+0.1
202044.354812.4:1-0.2
201940.451112.6:1+0.2
201840.350112.4:1-1.3
201736.950413.7:1-1.6
201633.751515.3:1—