Independent · Combined · Summer Hill

Trinity Grammar School

2,296

Students

2296 boys · 0 girls

K-12

Year range

1168

ICSEA

avg = 1000

Students from non-English speaking background

ICSEA — socio-educational intake context 1168

ICSEA reflects the socio-educational background of students at this school — it is an intake measure, not a teaching quality or outcomes ranking. National average is 1000. Range is roughly 500–1300. This school's ICSEA places it above 98% of Australian schools.

Suburb Summer Hill 2130

Local government area Inner West

Remoteness Major Cities

Sector Independent

School type Combined

Indigenous students 0%

Statistical area (SA2) Ashfield - South

Official website www.trinity.nsw.edu.au

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Catchment zone shown where matched to official NSW government data.

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Other schools in Ashfield - South

School Sector Years Enrolment ICSEA

Ashfield Boys High School Government 7-12 751 1074

Ashfield Public School Government K-6 474 1096

Yeo Park Infants School Government K-2 48 1144

Canterbury Boys High School Government 7-12 422 1018

Source: ACARA School Profile & School Location 2025 (Data Access Program). VIC and NSW government catchment zones from DET School Zones 2026 and NSW DoE School Intake Zones 2026. ICSEA is a socio-educational intake index — it measures student background, not teaching quality or outcomes. Methodology →