Sydney Technical High School
Updated Oct 2026 · ACARA 2025Bexley, New South Wales 2207 · Bayside (NSW) LGA
About Sydney Technical High School
Sydney Technical High School is a public boys' high school located in Bexley, New South Wales (2207), within the Bayside (NSW) local government area. It caters for students from 7 to 12 and in 2025 enrolled 907 students.
Sydney Technical High School has an ICSEA value of 1136, indicating very high socio-educational advantage. That places it in the 92nd percentile of Australian schools. 53% of students come from the top socio-educational quarter and 5% from the bottom quarter.
The school employs 67 teachers (64.1 full-time equivalent) and 12 non-teaching staff, giving a student-to-teacher ratio of about 14.1 to 1. Enrolments have remained steady over the past five years.
On the Success Index, Sydney Technical High School scores 75.9 out of 100, placing it in the top 10% of secondary schools nationally and 49th of 539 secondary schools in NSW (1st of 7 in the Bayside (NSW) area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1136
- Students in the top advantage quarter (15%)53% of students
- Teacher resourcing (students per teacher) (15%)14.1 students per teacher
- Enrolment growth vs local area (5 years) (10%)-1% enrolments since 2020 (area median +1%)
- ICSEA trend (5 years) (10%)+12 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 Sydney Technical High School's 907 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Sydney Technical High School have changed over the past decade.
Free academic assessment
Is your child on track at Sydney Technical High School?
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Schools near Sydney Technical High School
Closest schools by straight-line distance, with their Success Index.
Bethany College
Hurstville · Catholic high school · 7-12
1,091 students · ICSEA 1083 · 178 m away
Hurstville Public School
Hurstville · Government primary · K-6
1,048 students · ICSEA 1102 · 379 m away
St Mary's Star of the Sea Catholic Primary School
Hurstville · Catholic primary · K-6
408 students · ICSEA 1088 · 393 m away
Georges River College Hurstville Campus
Hurstville · Government high school · 7-10
267 students · ICSEA 1017 · 419 m away
Hurstville Adventist School
Hurstville · Independent primary · K-6
166 students · ICSEA 1114 · 509 m away
Carlton Public School
Bexley · Government primary · K-6
599 students · ICSEA 1041 · 750 m away
St George Christian School
Hurstville · Independent combined · K-12
845 students · ICSEA 1159 · 1.1 km away
Danebank - An Anglican School for Girls
Hurstville · Independent combined · K-12
1,043 students · ICSEA 1146 · 1.2 km away
Woniora Road School
Hurstville · Government special · U
46 students · ICSEA 999 · 1.4 km away
St Raphael's Catholic Primary School
South Hurstville · Catholic primary · K-6
210 students · ICSEA 1130 · 1.4 km away
Similar schools
Government secondary schools in NSW with a comparable ICSEA.
Chatswood High School
Chatswood · Government high school · 7-12
2,147 students · ICSEA 1137
Cammeraygal High School
Crows Nest · Government high school · 7-12
905 students · ICSEA 1135
Killarney Heights High School
Killarney Heights · Government high school · 7-12
969 students · ICSEA 1132
Parramatta High School
Parramatta · Government high school · 7-12
1,128 students · ICSEA 1132
Cheltenham Girls High School
Beecroft · Government high school · 7-12
1,436 students · ICSEA 1142
Newtown High School of Performing Arts
Newtown · Government high school · 7-12
1,145 students · ICSEA 1127
Frequently asked questions
Is Sydney Technical High School a public or private school?
Sydney Technical High School is a public (government) school run by the New South Wales education department.
What year levels does Sydney Technical High School offer?
Sydney Technical High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Sydney Technical High School?
In 2025, Sydney Technical High School had 907 enrolled students (0 girls, 907 boys), a change of -1% over five years.
What is the ICSEA of Sydney Technical High School?
Sydney Technical High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1136. The national average is 1000, so this indicates very high socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Sydney Technical High School rank in NSW?
Sydney Technical High School ranks 49th of 539 secondary schools in New South Wales on the Success Index (75.9/100), and 140th of 1,472 nationally.
What is the student-to-teacher ratio at Sydney Technical High School?
Sydney Technical High School has about 14.1 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Sydney Technical High School?
In 2025, Sydney Technical High School had 150 students in Year 7 and 150 in Year 12.
Is Sydney Technical High School co-ed?
No. Sydney Technical High School is a boys' school.
What other schools are near Sydney Technical High School?
There are 10 other schools within 15 km of Sydney Technical 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 Sydney Technical High School?
The closest Success Tutoring centre is Success Tutoring Hurstville, about 673 m from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.