Blue Mountains Grammar School
Updated Oct 2026 · ACARA 2025Wentworth Falls, New South Wales 2782 · Blue Mountains LGA
#58 of 314 combined schools in NSW
#161 of 1,259 nationally
About Blue Mountains Grammar School
Blue Mountains Grammar School is an independent combined (K–12) school located in Wentworth Falls, New South Wales (2782), within the Blue Mountains local government area. It caters for students from K to 12 and in 2025 enrolled 512 students (244 girls and 268 boys). The school is affiliated with Independent Schools NSW.
Blue Mountains Grammar School has an ICSEA value of 1140, indicating very high socio-educational advantage. That places it in the 93rd percentile of Australian schools. 57% of students come from the top socio-educational quarter and 3% from the bottom quarter.
The school employs 63 teachers (50.3 full-time equivalent) and 35 non-teaching staff, giving a student-to-teacher ratio of about 10.2 to 1. Enrolments have remained steady over the past five years.
On the Success Index, Blue Mountains Grammar School scores 76.7 out of 100, placing it in the top 25% of combined schools nationally and 58th of 314 combined schools in NSW (1st of 6 in the Blue Mountains area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1140
- Students in the top advantage quarter (15%)57% of students
- Teacher resourcing (students per teacher) (15%)10.2 students per teacher
- Enrolment growth vs local area (5 years) (10%)0% enrolments since 2020 (area median 0%)
- ICSEA trend (5 years) (10%)+2 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 Blue Mountains Grammar School's 512 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Blue Mountains Grammar School have changed over the past decade.
Free academic assessment
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Schools near Blue Mountains Grammar School
Closest schools by straight-line distance, with their Success Index.
Kindlehill School
Wentworth Falls · Independent combined · K-12
114 students · ICSEA 1077 · 645 m away
Wentworth Falls Public School
Wentworth Falls · Government primary · K-6
370 students · ICSEA 1074 · 687 m away
Leura Public School
Leura · Government primary · K-6
199 students · ICSEA 1055 · 3.1 km away
Katoomba North Public School
Katoomba · Government primary · K-6
128 students · ICSEA 986 · 5.2 km away
Katoomba Public School
Katoomba · Government primary · K-6
210 students · ICSEA 1035 · 5.4 km away
Lawson Public School
Lawson · Government primary · K-6
196 students · ICSEA 1000 · 5.5 km away
St Canice's Primary School
Katoomba · Catholic primary · K-6
67 students · ICSEA 1020 · 5.6 km away
Katoomba High School
Katoomba · Government high school · 7-12
862 students · ICSEA 1034 · 5.6 km away
Our Lady of The Nativity Primary School
Lawson · Catholic primary · K-6
115 students · ICSEA 1076 · 6.5 km away
Korowal School
Hazelbrook · Independent combined · K-12
259 students · ICSEA 1084 · 7.2 km away
Similar schools
Independent combined schools in NSW with a comparable ICSEA.
Redfield College
Dural · Independent combined · 2-12
530 students · ICSEA 1140
Moriah College
Bondi Junction · Independent combined · K-12
1,339 students · ICSEA 1141
Tangara School for Girls
Cherrybrook · Independent combined · K-12
771 students · ICSEA 1141
St Augustine's College Sydney
Brookvale · Independent combined · 5-12
1,580 students · ICSEA 1141
Santa Sabina College
Strathfield · Independent combined · K-12
1,320 students · ICSEA 1139
Redeemer Baptist School
North Parramatta · Independent combined · K-12
549 students · ICSEA 1141
Frequently asked questions
Is Blue Mountains Grammar School a public or private school?
Blue Mountains Grammar School is a Independent school, which makes it a non-government (private) school affiliated with Independent Schools NSW.
What year levels does Blue Mountains Grammar School offer?
Blue Mountains Grammar School offers K to 12. It is classified by ACARA as a combined school.
How many students attend Blue Mountains Grammar School?
In 2025, Blue Mountains Grammar School had 512 enrolled students (244 girls, 268 boys), a change of 0% over five years.
What is the ICSEA of Blue Mountains Grammar School?
Blue Mountains Grammar School has an ICSEA (Index of Community Socio-Educational Advantage) of 1140. The national average is 1000, so this indicates very high socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Blue Mountains Grammar School rank in NSW?
Blue Mountains Grammar School ranks 58th of 314 combined schools in New South Wales on the Success Index (76.7/100), and 161st of 1,259 nationally.
What is the student-to-teacher ratio at Blue Mountains Grammar School?
Blue Mountains Grammar School has about 10.2 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Blue Mountains Grammar School?
In 2025, Blue Mountains Grammar School had 56 students in Year 7 and 50 in Year 12.
Is Blue Mountains Grammar School co-ed?
Yes. Blue Mountains Grammar School is a co-educational school enrolling both girls and boys.
What other schools are near Blue Mountains Grammar School?
There are 10 other schools within 15 km of Blue Mountains 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 Blue Mountains Grammar School?
The closest Success Tutoring centre is Success Tutoring Penrith, about 31 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.