Government co-ed secondary (7–12), 623 students, Inner Regional NSW.
NAPLAN in line with national year-level averages; the result is a B- overall.
Mullumbimby High School is also known as Mullumbimby HS and MHS Mullumbimby.
1 HSC Top Achievers — #129 of 240 New South Wales schools.
Mullumbimby High School draws students from the Mullumbimby HS (and 1 more zone).
Mullumbimby High School has an overall SchoolRank score of 45.6/100, rated "Average". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 52/100, indicating moderate performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1019, above the national average of 1,000.
In 2025 NAPLAN testing at Mullumbimby High School, Year 7 students averaged 541 across the tested NAPLAN domains, in line with the national average of 540 for that year level, and Year 9 students averaged 564, in line with the national average of 569 for that year level. 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.
Mullumbimby High School is a medium-sized government secondary school with approximately 623 students. It offers education for years 7-12. As a government school, enrolment is generally available to students living within the school's designated catchment zone. Families outside the zone may apply for out-of-area placement subject to availability.
Mullumbimby High School is a government school, so there are no tuition fees. Families may be asked to contribute to voluntary school fees covering materials, excursions, and activities. The school has a value score of 55/100 on SchoolRank, which compares educational outcomes relative to cost, government schools typically score well on this measure.
Mullumbimby High School has a student-to-teacher ratio of 11.0:1. This is below the national average of approximately 14:1, meaning students generally receive more individual attention. Support staff make up 20% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 78%, which is below the national benchmark.
The Year 12 completion rate is 77%.
Mullumbimby High School is located in Mullumbimby, NSW, classified as a inner regional school. With an ICSEA of 1019 (55th percentile), the school community's socio-educational advantage is around the national average. 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.