Harrisdale Senior High School
Updated Oct 2026 · ACARA 2025Harrisdale, Western Australia 6112 · Armadale LGA
About Harrisdale Senior High School
Harrisdale Senior High School is a public high school located in Harrisdale, Western Australia (6112), within the Armadale local government area. It caters for students from 7 to 12 and in 2025 enrolled 2,303 students (1,131 girls and 1,172 boys).
Harrisdale Senior High School has an ICSEA value of 1072, indicating above-average socio-educational advantage. That places it in the 76th percentile of Australian schools. 28% of students come from the top socio-educational quarter and 13% from the bottom quarter.
The school employs 159 teachers (151.3 full-time equivalent) and 57 non-teaching staff, giving a student-to-teacher ratio of about 15.2 to 1. Enrolments have grown by 83% over the past five years.
On the Success Index, Harrisdale Senior High School scores 72.4 out of 100, placing it in the top 25% of secondary schools nationally and 15th of 140 secondary schools in WA (1st of 6 in the Armadale 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. Harrisdale Senior High School appears for 4 courses.
Courses
Economics · Health Studies · Human Biology · Mathematics Specialist
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 1072
- Students in the top advantage quarter (15%)28% of students
- Teacher resourcing (students per teacher) (15%)15.2 students per teacher
- Enrolment growth vs local area (5 years) (10%)+83% enrolments since 2020 (area median +3%)
- ICSEA trend (5 years) (10%)+31 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.
Enrolments by year level
How Harrisdale Senior High School's 2,303 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Harrisdale Senior High School have changed over the past decade.
Free academic assessment
Is your child on track at Harrisdale Senior High School?
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Schools near Harrisdale Senior High School
Closest schools by straight-line distance, with their Success Index.
Harrisdale Primary School
Harrisdale · Government primary · K-6
1,028 students · ICSEA 1092 · 584 m away
St John Bosco College
Piara Waters · Catholic combined · PP-12
1,243 students · ICSEA 1063 · 1.1 km away
Riva Primary School
Piara Waters · Government primary · K-6
854 students · ICSEA 1066 · 1.3 km away
North Harrisdale Primary School
Harrisdale · Government primary · K-6
805 students · ICSEA 1077 · 1.6 km away
Carey Baptist College
Harrisdale · Independent combined · PP-12
1,484 students · ICSEA 1114 · 2.0 km away
Aspiri Primary School
Piara Waters · Government primary · K-6
1,024 students · ICSEA 1091 · 2.4 km away
Piara Waters Senior High School
Piara Waters · Government high school · 7-9
558 students · ICSEA 1065 · 2.4 km away
Piara Waters Primary School
Piara Waters · Government primary · K-6
1,070 students · ICSEA 1078 · 2.5 km away
Forrestdale Primary School
Forrestdale · Government primary · K-6
264 students · ICSEA 990 · 3.0 km away
Bletchley Park Primary School
Southern River · Government primary · K-6
692 students · ICSEA 1050 · 3.3 km away
Similar schools
Government secondary schools in WA with a comparable ICSEA.
Canning College
Bentley · Government high school · U, 10-12
247 students · ICSEA 1073
Melville Senior High School
Melville · Government high school · 7-12
1,398 students · ICSEA 1071
Leeming Senior High School
Leeming · Government high school · 7-12
1,164 students · ICSEA 1077
Woodvale Secondary College
Woodvale · Government high school · 7-12
1,251 students · ICSEA 1066
Duncraig Senior High School
Duncraig · Government high school · 7-12
1,851 students · ICSEA 1079
Piara Waters Senior High School
Piara Waters · Government high school · 7-9
558 students · ICSEA 1065
Frequently asked questions
Is Harrisdale Senior High School a public or private school?
Harrisdale Senior High School is a public (government) school run by the Western Australia education department.
What year levels does Harrisdale Senior High School offer?
Harrisdale Senior High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Harrisdale Senior High School?
In 2025, Harrisdale Senior High School had 2,303 enrolled students (1,131 girls, 1,172 boys), a change of 83% over five years.
What is the ICSEA of Harrisdale Senior High School?
Harrisdale Senior High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1072. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Harrisdale Senior High School rank in WA?
Harrisdale Senior High School ranks 15th of 140 secondary schools in Western Australia on the Success Index (72.4/100), and 226th of 1,472 nationally.
What is the student-to-teacher ratio at Harrisdale Senior High School?
Harrisdale Senior High School has about 15.2 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Harrisdale Senior High School?
In 2025, Harrisdale Senior High School had 406 students in Year 7 and 310 in Year 12.
Is Harrisdale Senior High School co-ed?
Yes. Harrisdale Senior High School is a co-educational school enrolling both girls and boys.
What other schools are near Harrisdale Senior High School?
There are 10 other schools within 15 km of Harrisdale 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 Harrisdale Senior High School?
The closest Success Tutoring centre is Success Tutoring Canning Vale, about 5.4 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.