Australia›SA›Seaton›Seaton High School

Seaton High School

GovernmentSecondaryU, 7-12
Seaton, SA 5023 · Major Cities
Students917enrolled
Ratio1:12.6student:teacher
SEIFA5/10advantage decile
Enrolment
917
total students
Girls409
Boys508
Year RangeU, 7-12
TypeSecondary
Seaton
OverviewEnrolmentStaffCommunityAttendanceAttainmentTrendsSimilarNearby

Enrolment Summary

Seaton High School has 917 students enrolled across 7 year levels as of 2025. Total enrolment decreased by 58 students (-5.9%) from 2024.

Total Students917
Secondary917
YoY Change (2024→2025)-58

Enrolment by Year Level — 2025

Year 7
132-8
Year 8
137-12
Year 9
160-4
Year 10
158-26
Year 11
156-16
Year 12
150+6
Secondary Ungraded
24+2
20252024
Source: ACARA Enrolments by Grade (2025)

Total Enrolment Over Time

Seaton High School enrolment from 2016 to 2025.

753821889956102485016888179001888119869208372197522974239752491725
Source: ACARA School Profile (2016–2025)

Gender Balance

Currently 409 girls (45%) and 508 boys (55%).

45%
55%
711790868946102440741241740939836042442142340944347648347247147755155355250816171819202122232425
GirlsBoys
Source: ACARA School Profile (2016–2025)

Gender Breakdown by Year

YearGirlsBoysTotalGirls %
202540950891745%
202442355297543%
202342155397443%
202242455197543%
202136047783743%
202039847186946%
201940947288146%
201841748390046%
201741247688846%
201640744385048%

Year-on-Year Comparison

Year Level20242025Change
Year 7140132-8
Year 8149137-12
Year 9164160-4
Year 10184158-26
Year 11172156-16
Year 12144150+6
Secondary Ungraded2224+2
Total975917-58
Source: ACARA Enrolments by Grade (2024–2025)