GovernmentSecondaryYears 7-12· Major Cities

Dianella Secondary College

Dianella, WA 6059 · Department of Education Western Australia

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ICSEA

945

23th percentile nationally

Below average

Total enrolments

575

Secondary

Student–teacher ratio

14:1

41.7 FTE teachers

Gender mix

47% / 53%

girls / boys

Language background

72%

non-English at home

Socio-educational advantage

Share of students in each national SEA quarter (bottom = most disadvantaged, top = most advantaged).

Bottom: 54%

Lower-mid: 26%

Upper-mid: 15%

Top: 6%

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Other schools in Dianella

Carmel School

Independent · Combined

1149

Banksia Montessori School

Independent · Primary

1102

Dianella Heights Primary School

Government · Primary

1098

Our Lady's Assumption School

Catholic · Primary

1094

Sutherland Dianella Primary School

Government · Primary

1083

St Andrew's Grammar

Independent · Combined

1078

West Morley Primary School

Government · Primary

1044

North Morley Primary School

Government · Primary

1032

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.