Large government co-ed secondary (Year 7–12) in Mount Lawley, Perth, serving 2041 students.
NAPLAN averaging +41 above national year-level averages, solid student growth, and a median ATAR of 84.4; the result is a B+ overall.
Mount Lawley Senior High School has an overall SchoolRank score of 72.1/100, rated "Good". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 69/100, indicating moderate performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1103, well above the national average of 1,000. Notably, the school shows strong student growth over time (61/100), meaning students tend to improve well regardless of their starting point.
In 2025 NAPLAN testing at Mount Lawley Senior High School, Year 7 students averaged 573 across the tested NAPLAN domains, above the national average of 540 for that year level, and Year 9 students averaged 618, well above the national average of 569 for that year level. Relative to national year-level averages, the school's strongest domain is Grammar. 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.
Mount Lawley Senior High School is a large government secondary school with approximately 2,041 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.
Mount Lawley Senior High School is not a selective school as a whole, but it runs a test-entry GATE Languages program alongside its regular intake. Entry is through the Academic Selective Entrance Test (ASET) plus interview. The main entry point is Year 7. Applications go through the official state process, and entry cutoff marks are not published.
Mount Lawley Senior 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 73/100 on SchoolRank, which compares educational outcomes relative to cost, government schools typically score well on this measure.
Mount Lawley Senior High School has a student-to-teacher ratio of 15.3:1. This is around the national average of approximately 14:1, meaning class sizes are typical for Australian schools. Support staff make up 26% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 90%, which is moderate.
Mount Lawley Senior High School has a median ATAR of 84.4. The apparent retention rate from Year 10 to Year 12 is 339%, indicating how many students stay through to graduation.
Mount Lawley Senior High School is located in Mount Lawley, WA, classified as a major cities school. With an ICSEA of 1103 (85th 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.