Trinity Grammar School in Summer Hill, NSW offers an exceptional all-around educational experience for boys aged 6 to 18.
Housed in a modern, purpose-built facility, Trinity Grammar School’s Junior School is adjacent to the Middle and Senior campuses.
About the Summer Hill Campus
Address and contact details
Trinity Grammar School Summer Hill, NSW – Junior, Senior & Middle School
119 Prospect Road, Summer Hill NSW 2130
POSTAL ADDRESS : PO Box 174, Summer Hill NSW 2130
Junior School p. +61 2 9581 6144
Senior & Middle School p. +61 2 9581 6000
Trinity Grammar School is located on
Wangal Country.
We honour the sovereignty and connection to Country of all Aboriginal and Torres Strait Islander peoples and pay respect to their Traditional Custodians and Elders past and present. As educators we acknowledge that learning has been taking place on this land for millennia.

