Independent co-ed combined school (K–12) of 512 students in Wentworth Falls, NSW, set within World Heritage bushland.
NAPLAN averaging +44 above national year-level averages; the result is a B+ overall.
Blue Mountains Grammar School is also known as BMGS and BMGS Wentworth Falls.
1 HSC Top Achievers — #129 of 240 New South Wales schools.
Blue Mountains Grammar School has an overall SchoolRank score of 64.6/100, rated "Good". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 70/100, indicating strong performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1140, well above the national average of 1,000.
In 2025 NAPLAN testing at Blue Mountains Grammar School, Year 3 students averaged 452 across the tested NAPLAN domains, well above the national average of 407 for that year level, and Year 5 students averaged 527, above the national average of 490 for that year level, and Year 7 students averaged 590, well above the national average of 540 for that year level, and Year 9 students averaged 614, well above the national average of 569 for that year level. Relative to national year-level averages, the school's strongest domain is Reading. National averages are specific to each year level, because NAPLAN scores are scaled so older year levels score higher, a school-wide average can't be compared with a single national figure.
Blue Mountains Grammar School is a medium-sized independent combined school with approximately 512 students. It offers education for years K-12. As a independent school, enrolment typically involves an application process. Contact the school directly for enrolment criteria, waiting lists, and open day information.
Blue Mountains Grammar School has approximate annual tuition fees of $17,603. Actual fees may vary by year level, and additional costs for uniforms, camps, and extracurricular activities typically apply. The school's value score is 47/100, which measures academic outcomes relative to the cost of attendance.
Blue Mountains Grammar School has a student-to-teacher ratio of 10.2:1. This is below the national average of approximately 14:1, meaning students generally receive more individual attention. Support staff make up 34% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 92%, which is strong.
The Year 12 completion rate is 54%.
Blue Mountains Grammar School is located in Wentworth Falls, NSW, classified as a major cities school. With an ICSEA of 1140 (93th percentile), the school community's socio-educational advantage is above average, families tend to have higher education and income levels. ICSEA measures the educational advantage of a school's community, not the school's quality, a lower ICSEA school with strong academic scores may indicate particularly effective teaching.