AustraliaWACollieCollie Senior High School

Collie Senior High School

GovernmentSecondary7-12
Collie, WA 6225 · Inner Regional
Students537enrolled
Ratio1:12student:teacher
SEIFA1/10advantage decile
Enrolment
537
total students
Girls234
Boys303
Year Range7-12
TypeSecondary
Collie Senior

Enrolment Summary

Collie Senior High School has 537 students enrolled across 6 year levels as of 2025. Total enrolment increased by 12 students (2.3%) from 2024.

Total Students537
Secondary537
YoY Change (2024→2025)+12

Enrolment by Year Level — 2025

Year 7
102-17
Year 8
128+36
Year 9
95-1
Year 10
89
Year 11
70-5
Year 12
53-1
20252024
Source: ACARA Enrolments by Grade (2025)

Total Enrolment Over Time

Collie Senior High School enrolment from 2016 to 2025.

45048451755158555716527175231852019524205072150022516235252453725
Source: ACARA School Profile (20162025)

Gender Balance

Currently 234 girls (44%) and 303 boys (56%).

44%
56%
42546550554558527525424723624123524423923423428227327628428327225627729130316171819202122232425
GirlsBoys
Source: ACARA School Profile (20162025)

Gender Breakdown by Year

YearGirlsBoysTotalGirls %
202523430353744%
202423429152545%
202323927751646%
202224425650049%
202123527250746%
202024128352446%
201923628452045%
201824727652347%
201725427352748%
201627528255749%

Year-on-Year Comparison

Year Level20242025Change
Year 7119102-17
Year 892128+36
Year 99695-1
Year 108989
Year 117570-5
Year 125453-1
Total525537+12
Source: ACARA Enrolments by Grade (20242025)