GovernmentSecondaryYears 7-12· Inner Regional
Collie Senior High School
Collie, WA 6225 · Department of Education Western Australia
Visit school websiteICSEA
920
15th percentile nationally
Below averageTotal enrolments
537
Secondary
Student–teacher ratio
12:1
44.8 FTE teachers
Gender mix
44% / 56%
girls / boys
Language background
6%
non-English at home
Socio-educational advantage
Share of students in each national SEA quarter (bottom = most disadvantaged, top = most advantaged).
Bottom: 59%
Lower-mid: 29%
Upper-mid: 9%
Top: 3%
Other schools in Collie
Source: ACARA My School 2025. ICSEA reflects the socio-educational background of a school's students — not academic results or teaching quality. National average = 1000. See data sources.