Trinity College is located approximately 35km north of the Adelaide CBD, on the doorstep of Gawler. Office Hours are Monday to Friday 8.00am-4.30pm during school terms.
Street address: Alexander Avenue, Evanston South SA 5116
Mailing address: PO Box 131 Gawler SA 5118
Telephone: +61 8 8522 0666
ABN 15 742 803 718
Central Admin arrival point and deliveries for GPS: Corner Alexander Ave and Trinity Drive, Evanston South SA 5116.