Skip to content
S

Balaklava High School vs Mount Gambier High School

A head-to-head comparison of two secondary schools in South Australia, 460 km apart, using official ACARA 2025 data. Best value in each row is highlighted.

MeasureBalaklava High School
Balaklava SA
Mount Gambier High School
Mount Gambier SA
Success Index
32
Lower 50%
26
Lower 50%
State rank (type)#64 of 84#72 of 84
National rank (type)#1137 of 1,472#1293 of 1,472
SectorGovernmentGovernment
TypeSecondarySecondary
Year rangeU, 7-12U, 7-12
Students425778
Girls / boys205 / 220390 / 388
Foundation intake––
Year 7 cohort57142
Year 12 cohort64119
VCE median study score
VCAA, latest year
––
VCE study scores 40+––
5-year enrolment growth+28%+6%
ICSEA
Average 1000
948946
ICSEA percentile24th23th
Top SEA quarter4%4%
Bottom SEA quarter57%54%
Students per teacher12.713.9
Teaching staff (FTE)33.555.9
Non-teaching staff (FTE)17.934.1
Language background other than English6%10%
Indigenous students5%7%
SuburbBalaklava 5461Mount Gambier 5290
Council areaWakefieldMount Gambier
RemotenessInner RegionalOuter Regional
Websitewww.balakhs.sa.edu.auwww.mghs.sa.edu.au

The verdict

  • •Balaklava High School scores higher on the Success Index (31.8 vs 25.6).
  • •Balaklava High School has the higher ICSEA (948 vs 946), indicating a more advantaged community.
  • •Balaklava High School has fewer students per teacher (12.7 vs 13.9).
  • •Mount Gambier High School is the larger school with 778 students compared with 425.
  • •Balaklava High School has grown faster over five years (28% vs 6%).

The Success Index summarises community advantage, resourcing and momentum from ACARA data. It does not measure teaching quality, results or fit. Methodology.

Free academic assessment

Torn between two schools? Start with your child.

Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.

  • Personalised learning plan mapped to the Australian Curriculum
  • English & Maths from Kindergarten to Year 12
  • Flexible memberships, no lock-in contracts
  • Your nearest centre: Success Tutoring Windsor Gardens

No cost, no obligation. By submitting you agree to be contacted by Success Tutoring about your enquiry. See our privacy policy.

Frequently asked questions

Is Balaklava High School better than Mount Gambier High School?

On the Success Index, Balaklava High School ranks higher (31.8 vs 25.6 out of 100). The index measures community advantage and momentum from ACARA data, not teaching quality, so visit both schools before deciding.

How far apart are Balaklava High School and Mount Gambier High School?

About 460 km in a straight line, between Balaklava and Mount Gambier in South Australia.

Which has the better student-to-teacher ratio?

Balaklava High School has 12.7 students per full-time-equivalent teacher and Mount Gambier High School has 13.9.

How do Balaklava High School and Mount Gambier High School rank in SA?

Balaklava High School is 64th of 84 and Mount Gambier High School is 72nd of 84 among secondary schools in South Australia on the 2025 Success Index.