Western Grammar School
Updated Oct 2026 · ACARA 2025Plumpton, New South Wales 2761 · Blacktown LGA
#130 of 314 combined schools in NSW
#418 of 1,259 nationally
About Western Grammar School
Western Grammar School is an independent combined (K–12) school located in Plumpton, New South Wales (2761), within the Blacktown local government area. It caters for students from K to 12 and in 2025 enrolled 387 students (200 girls and 187 boys). The school is affiliated with Independent Schools NSW.
Western Grammar School has an ICSEA value of 1073, indicating above-average socio-educational advantage. That places it in the 76th percentile of Australian schools. 30% of students come from the top socio-educational quarter and 13% from the bottom quarter.
The school employs 28 teachers (26.4 full-time equivalent) and 22 non-teaching staff, giving a student-to-teacher ratio of about 14.7 to 1. Enrolments have grown by 21% over the past five years.
On the Success Index, Western Grammar School scores 62.3 out of 100, placing it in the top 50% of combined schools nationally and 130th of 314 combined schools in NSW (6th of 13 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 1073
- Students in the top advantage quarter (15%)30% of students
- Teacher resourcing (students per teacher) (15%)14.7 students per teacher
- Enrolment growth vs local area (5 years) (10%)+21% enrolments since 2020 (area median +10%)
- ICSEA trend (5 years) (10%)+40 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 Western Grammar School's 387 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Western Grammar School have changed over the past decade.
Free academic assessment
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Schools near Western Grammar School
Closest schools by straight-line distance, with their Success Index.
Plumpton High School
Plumpton · Government high school · 7-12
1,182 students · ICSEA 966 · 180 m away
Good Shepherd Primary School
Plumpton · Catholic primary · K-6
626 students · ICSEA 1039 · 223 m away
Plumpton Public School
Plumpton · Government primary · K-6
504 students · ICSEA 981 · 256 m away
Plumpton House School
Plumpton · Government special · U
30 students · ICSEA 827 · 395 m away
Richard Johnson Anglican College
Oakhurst · Independent combined · K-12
1,028 students · ICSEA 1072 · 715 m away
Hebersham Public School
Hebersham · Government primary · K-6
515 students · ICSEA 904 · 937 m away
Australian Islamic College of Sydney
Mount Druitt · Independent combined · K-12
1,289 students · ICSEA 1077 · 1.2 km away
St Bishoy Coptic Orthodox College
Mount Druitt · Independent combined · K-12
279 students · ICSEA 966 · 1.6 km away
Hassall Grove Public School
Hassall Grove · Government primary · K-6
623 students · ICSEA 959 · 1.6 km away
Blacktown Youth College Incorporated
Hebersham · Independent special · 7-12
101 students · ICSEA 832 · 1.6 km away
Similar schools
Independent combined schools in NSW with a comparable ICSEA.
Saint Mary MacKillop College Albury
Jindera · Independent combined · K-12
216 students · ICSEA 1074
Christian Brothers' High School Lewisham
Lewisham · Independent combined · 5-12
1,231 students · ICSEA 1074
Newcastle Waldorf School
Glendale · Independent combined · K-12
237 students · ICSEA 1072
Moama Anglican Grammar School
Moama · Independent combined · K-12
721 students · ICSEA 1072
St Philip's Christian College - Port Stephens
Salamander Bay · Independent combined · K-12
821 students · ICSEA 1072
Australian International Academy, Sydney, Strathfield Campus
Strathfield · Independent combined · K-12
493 students · ICSEA 1074
Frequently asked questions
Is Western Grammar School a public or private school?
Western Grammar School is a Independent school, which makes it a non-government (private) school affiliated with Independent Schools NSW.
What year levels does Western Grammar School offer?
Western Grammar School offers K to 12. It is classified by ACARA as a combined school.
How many students attend Western Grammar School?
In 2025, Western Grammar School had 387 enrolled students (200 girls, 187 boys), a change of 21% over five years.
What is the ICSEA of Western Grammar School?
Western Grammar School has an ICSEA (Index of Community Socio-Educational Advantage) of 1073. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Western Grammar School rank in NSW?
Western Grammar School ranks 130th of 314 combined schools in New South Wales on the Success Index (62.3/100), and 418th of 1,259 nationally.
What is the student-to-teacher ratio at Western Grammar School?
Western Grammar School has about 14.7 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Western Grammar School?
In 2025, Western Grammar School had 33 students in Year 7 and 22 in Year 12.
Is Western Grammar School co-ed?
Yes. Western Grammar School is a co-educational school enrolling both girls and boys.
What other schools are near Western Grammar School?
There are 10 other schools within 15 km of Western Grammar 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 Western Grammar School?
The closest Success Tutoring centre is Success Tutoring Mount Druitt, about 2.2 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.