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Mount Lawley Senior High School

Updated Oct 2026 · ACARA 2025Mount Lawley, Western Australia 6050 · Stirling LGA

70.4/ 100
Success Index
Top 25%

#17 of 140 high schools in WA
#280 of 1,472 nationally

How is this calculated?
Students
2,041
+8% over 5 years
ICSEA
1103
85th percentile nationally
Students per teacher
15.3
133.2 FTE teachers
Year range
7-12

About Mount Lawley Senior High School

Mount Lawley Senior High School is a public high school located in Mount Lawley, Western Australia (6050), within the Stirling local government area. It caters for students from 7 to 12 and in 2025 enrolled 2,041 students (1,023 girls and 1,018 boys).

Mount Lawley Senior High School has an ICSEA value of 1103, indicating very high socio-educational advantage. That places it in the 85th percentile of Australian schools. 41% of students come from the top socio-educational quarter and 8% from the bottom quarter.

The school employs 140 teachers (133.2 full-time equivalent) and 62 non-teaching staff, giving a student-to-teacher ratio of about 15.3 to 1. Enrolments have grown by 8% over the past five years.

On the Success Index, Mount Lawley Senior High School scores 70.4 out of 100, placing it in the top 25% of secondary schools nationally and 17th of 140 secondary schools in WA (3rd of 7 in the Stirling area).

Year 12 ATAR results (2025)

The School Curriculum and Standards Authority lists, for every ATAR course, the schools whose students had combined scores in the top 15% of that course. Mount Lawley Senior High School appears for 5 courses.

Courses listed
5
Top 15% of students in the course
Data year
2025
Year 12 Student Achievement Data (SCSA)

Courses

Health Studies · Human Biology · Italian: Second Language · Media Production and Analysis · Modern History

WA does not publish median ATARs by school; this list is the official per-school measure of top-end achievement. See WA schools with the most top-performing ATAR students.

Success Index breakdown

Each component is a percentile against schools of the same type across Australia.

  • Socio-educational advantage (ICSEA) (50%)ICSEA 1103
  • Students in the top advantage quarter (15%)41% of students
  • Teacher resourcing (students per teacher) (15%)15.3 students per teacher
  • Enrolment growth vs local area (5 years) (10%)+8% enrolments since 2020 (area median +5%)
  • ICSEA trend (5 years) (10%)+3 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.

Mount Lawley Senior High School
Bottom quarterLower middleUpper middleTop quarter
Girls
1,023
Boys
1,018
Language background other than English
41%
Indigenous students
2%

Enrolments by year level

How Mount Lawley Senior High School's 2,041 students are spread across year levels in 2025.

Year 7 cohort
390
Year 12 cohort
301

Enrolment trend

How enrolments at Mount Lawley Senior High School have changed over the past decade.

1,3911,7672,1432015: 1,546 students2016: 1,556 students2017: 1,630 students2018: 1,709 students2019: 1,774 students2020: 1,896 students2021: 1,919 students2022: 1,939 students2023: 1,969 students2024: 2,015 students2025: 2,041 students201520172019202120232025
Total enrolments by year. Source: ACARA school profile data.

Free academic assessment

Is your child on track at Mount Lawley Senior High School?

Rankings tell you about a school community. A free Success Tutoring assessment tells you about your child: exactly where they are in English and Maths, where the gaps are, and a plan to close them. Small-group, Australian-curriculum tutoring with no lock-in contracts.

  • Personalised learning plan mapped to the Australian Curriculum
  • English & Maths from Kindergarten to Year 12
  • Flexible memberships, no lock-in contracts
  • Your nearest centre: Success Tutoring Yokine

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Schools near Mount Lawley Senior High School

Closest schools by straight-line distance, with their Success Index.

Similar schools

Government secondary schools in WA with a comparable ICSEA.

Frequently asked questions

Is Mount Lawley Senior High School a public or private school?

Mount Lawley Senior High School is a public (government) school run by the Western Australia education department.

What year levels does Mount Lawley Senior High School offer?

Mount Lawley Senior High School offers 7 to 12. It is classified by ACARA as a secondary school.

How many students attend Mount Lawley Senior High School?

In 2025, Mount Lawley Senior High School had 2,041 enrolled students (1,023 girls, 1,018 boys), a change of 8% over five years.

What is the ICSEA of Mount Lawley Senior High School?

Mount Lawley Senior High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1103. The national average is 1000, so this indicates very high socio-educational advantage. ICSEA reflects the school community, not teaching quality.

How does Mount Lawley Senior High School rank in WA?

Mount Lawley Senior High School ranks 17th of 140 secondary schools in Western Australia on the Success Index (70.4/100), and 280th of 1,472 nationally.

What is the student-to-teacher ratio at Mount Lawley Senior High School?

Mount Lawley Senior High School has about 15.3 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.

How big is the Year 7 cohort at Mount Lawley Senior High School?

In 2025, Mount Lawley Senior High School had 390 students in Year 7 and 301 in Year 12.

Is Mount Lawley Senior High School co-ed?

Yes. Mount Lawley Senior High School is a co-educational school enrolling both girls and boys.

What other schools are near Mount Lawley Senior High School?

There are 10 other schools within 15 km of Mount Lawley Senior High 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 Mount Lawley Senior High School?

The closest Success Tutoring centre is Success Tutoring Yokine, about 2.6 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.