Gymea Technology High School
Updated Oct 2026 · ACARA 2025Gymea, New South Wales 2227 · Sutherland LGA
About Gymea Technology High School
Gymea Technology High School is a public high school located in Gymea, New South Wales (2227), within the Sutherland local government area. It caters for students from 7 to 12 and in 2025 enrolled 554 students (212 girls and 342 boys).
Gymea Technology High School has an ICSEA value of 1048, indicating a socio-educational profile close to the national average of 1000. That places it in the 68th percentile of Australian schools. 21% of students come from the top socio-educational quarter and 16% from the bottom quarter.
The school employs 43 teachers (44.2 full-time equivalent) and 15 non-teaching staff, giving a student-to-teacher ratio of about 12.5 to 1. Enrolments have fallen by 15% over the past five years.
On the Success Index, Gymea Technology High School scores 60.2 out of 100, placing it in the top 50% of secondary schools nationally and 204th of 539 secondary schools in NSW (13th of 18 in the Sutherland area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1048
- Students in the top advantage quarter (15%)21% of students
- Teacher resourcing (students per teacher) (15%)12.5 students per teacher
- Enrolment growth vs local area (5 years) (10%)-15% enrolments since 2020 (area median -3%)
- ICSEA trend (5 years) (10%)+5 ICSEA points since 2020
The Success Index summarises the academic environment of a school community using official ACARA data. It is not a measure of teaching quality or student results. Read the methodology.
Student profile
Distribution of students across socio-educational advantage (SEA) quarters, plus community characteristics.
Enrolments by year level
How Gymea Technology High School's 554 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Gymea Technology High School have changed over the past decade.
Free academic assessment
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Schools near Gymea Technology High School
Closest schools by straight-line distance, with their Success Index.
Gymea North Public School
Gymea · Government primary · K-6
362 students · ICSEA 1075 · 601 m away
Kirrawee Public School
Kirrawee · Government primary · K-6
326 students · ICSEA 1050 · 667 m away
St Catherine Labouré Catholic Primary School
Gymea · Catholic primary · K-6
596 students · ICSEA 1109 · 797 m away
Bates Drive School
Kareela · Government special · U
62 students · ICSEA 1018 · 878 m away
Sydney Montessori School
Gymea · Independent combined · K-11
147 students · ICSEA 1118 · 989 m away
Miranda Public School
Miranda · Government primary · K-6
300 students · ICSEA 1024 · 1.4 km away
Port Hacking High School
Miranda · Government high school · 7-12
950 students · ICSEA 1050 · 1.4 km away
Sutherland North Public School
Sutherland · Government primary · K-6
225 students · ICSEA 1073 · 1.5 km away
Jannali East Public School
Jannali · Government primary · K-6
313 students · ICSEA 1081 · 1.6 km away
Kirrawee High School
Kirrawee · Government high school · 7-12
1,185 students · ICSEA 1092 · 1.8 km away
Similar schools
Government secondary schools in NSW with a comparable ICSEA.
Port Hacking High School
Miranda · Government high school · 7-12
950 students · ICSEA 1050
Cronulla High School
Cronulla · Government high school · 7-12
1,205 students · ICSEA 1050
Menai High School
Menai · Government high school · 7-12
1,062 students · ICSEA 1046
Marsden High School
Meadowbank · Government high school · 6-12
1,298 students · ICSEA 1050
Blacktown Girls High School
Blacktown · Government high school · 7-12
1,080 students · ICSEA 1046
Byron Bay High School
Byron Bay · Government high school · 7-12
820 students · ICSEA 1050
Frequently asked questions
Is Gymea Technology High School a public or private school?
Gymea Technology High School is a public (government) school run by the New South Wales education department.
What year levels does Gymea Technology High School offer?
Gymea Technology High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Gymea Technology High School?
In 2025, Gymea Technology High School had 554 enrolled students (212 girls, 342 boys), a change of -15% over five years.
What is the ICSEA of Gymea Technology High School?
Gymea Technology High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1048. The national average is 1000, so this indicates a socio-educational profile close to the national average of 1000. ICSEA reflects the school community, not teaching quality.
How does Gymea Technology High School rank in NSW?
Gymea Technology High School ranks 204th of 539 secondary schools in New South Wales on the Success Index (60.2/100), and 511th of 1,472 nationally.
What is the student-to-teacher ratio at Gymea Technology High School?
Gymea Technology High School has about 12.5 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Gymea Technology High School?
In 2025, Gymea Technology High School had 108 students in Year 7 and 82 in Year 12.
Is Gymea Technology High School co-ed?
Yes. Gymea Technology High School is a co-educational school enrolling both girls and boys.
What other schools are near Gymea Technology High School?
There are 10 other schools within 15 km of Gymea Technology High School in our database. Scroll up to the "Nearby schools" section to compare them by Success Index, ICSEA and enrolments, or use the Compare tool.
Where can I get tutoring near Gymea Technology High School?
The closest Success Tutoring centre is Success Tutoring Hurstville, about 7.5 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.