AustraliaSAUnderdaleUnderdale High School

Underdale High School

GovernmentSecondary7-12
Underdale, SA 5032 · Major Cities
Students629enrolled
Ratio1:13.2student:teacher
SEIFA8/10advantage decile
Enrolment
629
total students
Girls274
Boys355
Year Range7-12
TypeSecondary
Underdale

Enrolment Summary

Underdale High School has 629 students enrolled across 6 year levels as of 2025. Total enrolment increased by 1 students (0.2%) from 2024.

Total Students629
Secondary629
YoY Change (2024→2025)+1

Enrolment by Year Level — 2025

Year 7
68
Year 8
76-18
Year 9
99-21
Year 10
152+41
Year 11
118-11
Year 12
116+10
20252024
Source: ACARA Enrolments by Grade (2025)

Total Enrolment Over Time

Underdale High School enrolment from 2016 to 2025.

45151558064470951516504175011851119548205822167522667236282462925
Source: ACARA School Profile (20162025)

Gender Balance

Currently 274 girls (44%) and 355 boys (56%).

44%
56%
42649756763870921921820822123923626826925827429628629329030934640739837035516171819202122232425
GirlsBoys
Source: ACARA School Profile (20162025)

Gender Breakdown by Year

YearGirlsBoysTotalGirls %
202527435562944%
202425837062841%
202326939866740%
202226840767540%
202123634658241%
202023930954844%
201922129051143%
201820829350142%
201721828650443%
201621929651543%

Year-on-Year Comparison

Year Level20242025Change
Year 76868
Year 89476-18
Year 912099-21
Year 10111152+41
Year 11129118-11
Year 12106116+10
Total628629+1
Source: ACARA Enrolments by Grade (20242025)