John Tonkin College is a government secondary school in Mandurah with a distinctive marine and aquaculture focus.
NAPLAN 29 points below national year-level averages; the result is a C+ overall.
John Tonkin College is a government secondary school in Mandurah with a distinctive marine and aquaculture focus. The Specialist Surf Science Program and Marine Centre set it apart, alongside an Aquaculture Centre and strong outdoor, experiential approach to learning. The school runs an AVID program for gifted learners, a dedicated learning support unit, and specific support for Aboriginal students. Two campuses, including one co-located with TAFE and Murdoch University, offer pathways between secondary, vocational and higher education. The school is known for its pastoral culture and suits families seeking practical, ocean-connected education.
John Tonkin College is also known as JTC Mandurah.
John Tonkin College has an overall SchoolRank score of 36.9/100, rated "Below Average". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 43/100, indicating developing performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 972, slightly below the national average of 1,000.
In 2025 NAPLAN testing at John Tonkin College, Year 7 students averaged 498 across the tested NAPLAN domains, well below the national average of 540 for that year level, and Year 9 students averaged 553, below 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.
John Tonkin College is a medium-sized government secondary school with approximately 799 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.
John Tonkin College 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 45/100 on SchoolRank, which compares educational outcomes relative to cost, government schools typically score well on this measure.
John Tonkin College has a student-to-teacher ratio of 16.3:1. This is above the national average of approximately 14:1, meaning class sizes are typical for Australian schools. Support staff make up 44% 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 63%.
John Tonkin College is located in Mandurah, WA, classified as a major cities school. With an ICSEA of 972 (34th percentile), the school community's socio-educational advantage is below average, which means the school serves a community with greater socio-educational challenges. 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.