Blacktown Girls High School
Updated Oct 2026 · ACARA 2025Blacktown, New South Wales 2148 · Blacktown LGA
About Blacktown Girls High School
Blacktown Girls High School is a public girls' high school located in Blacktown, New South Wales (2148), within the Blacktown local government area. It caters for students from 7 to 12 and in 2025 enrolled 1,080 students.
Blacktown Girls High School has an ICSEA value of 1046, indicating a socio-educational profile close to the national average of 1000. That places it in the 67th percentile of Australian schools. 25% of students come from the top socio-educational quarter and 22% from the bottom quarter.
The school employs 74 teachers (75.4 full-time equivalent) and 16 non-teaching staff, giving a student-to-teacher ratio of about 14.3 to 1. Enrolments have grown by 35% over the past five years.
On the Success Index, Blacktown Girls High School scores 66.9 out of 100, placing it in the top 25% of secondary schools nationally and 148th of 539 secondary schools in NSW (9th of 28 in the Blacktown area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1046
- Students in the top advantage quarter (15%)25% of students
- Teacher resourcing (students per teacher) (15%)14.3 students per teacher
- Enrolment growth vs local area (5 years) (10%)+35% enrolments since 2020 (area median +11%)
- ICSEA trend (5 years) (10%)+26 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 Blacktown Girls High School's 1,080 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Blacktown Girls High School have changed over the past decade.
Free academic assessment
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Schools near Blacktown Girls High School
Closest schools by straight-line distance, with their Success Index.
Blacktown Boys High School
Blacktown · Government high school · 7-12
898 students · ICSEA 1053 · 162 m away
Blacktown North Public School
Blacktown · Government primary · K-6
354 students · ICSEA 1042 · 415 m away
Seven Hills West Public School
Seven Hills · Government primary · P-6
324 students · ICSEA 1001 · 1.1 km away
Coreen School
Blacktown · Government special · U
56 students · ICSEA 845 · 1.2 km away
Patrician Brothers' College Blacktown
Blacktown · Catholic high school · 7-12
1,014 students · ICSEA 1016 · 1.4 km away
St Bernadette's Primary School
Lalor Park · Catholic primary · K-6
226 students · ICSEA 1036 · 1.4 km away
Marayong Public School
Blacktown · Government primary · P-6
557 students · ICSEA 981 · 1.6 km away
Lynwood Park Public School
Blacktown · Government primary · K-6
223 students · ICSEA 988 · 1.7 km away
St Patrick's Primary School
Blacktown · Catholic primary · K-6
295 students · ICSEA 1058 · 1.8 km away
Blacktown West Public School
Blacktown · Government primary · K-6
443 students · ICSEA 992 · 1.9 km away
Similar schools
Government secondary schools in NSW with a comparable ICSEA.
Menai High School
Menai · Government high school · 7-12
1,062 students · ICSEA 1046
Hornsby High School
Asquith · Government high school · 7-12
542 students · ICSEA 1045
Kincumber High School
Kincumber · Government high school · 7-12
1,002 students · ICSEA 1045
Gymea Technology High School
Gymea · Government high school · 7-12
554 students · ICSEA 1048
Galston High School
Galston · Government high school · 7-12
570 students · ICSEA 1044
Terrigal High School
Terrigal · Government high school · 7-12
847 students · ICSEA 1044
Frequently asked questions
Is Blacktown Girls High School a public or private school?
Blacktown Girls High School is a public (government) school run by the New South Wales education department.
What year levels does Blacktown Girls High School offer?
Blacktown Girls High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Blacktown Girls High School?
In 2025, Blacktown Girls High School had 1,080 enrolled students (1,080 girls, 0 boys), a change of 35% over five years.
What is the ICSEA of Blacktown Girls High School?
Blacktown Girls High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1046. 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 Blacktown Girls High School rank in NSW?
Blacktown Girls High School ranks 148th of 539 secondary schools in New South Wales on the Success Index (66.9/100), and 360th of 1,472 nationally.
What is the student-to-teacher ratio at Blacktown Girls High School?
Blacktown Girls High School has about 14.3 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Blacktown Girls High School?
In 2025, Blacktown Girls High School had 184 students in Year 7 and 133 in Year 12.
Is Blacktown Girls High School co-ed?
No. Blacktown Girls High School is a girls' school.
What other schools are near Blacktown Girls High School?
There are 10 other schools within 15 km of Blacktown Girls 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 Blacktown Girls High School?
The closest Success Tutoring centre is Success Tutoring Blacktown, about 1.4 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.