Guardianship Australia has acted as guardian for students at the following schools:
 
 Alphington Grammar

 Billanook College

 Brighton Grammar School

 Camberwell Boys Grammar School

 Camberwell Girls Grammar School

 Carey Baptist Grammar School

 Caulfield Grammar School

 Fintona Girls' School

 Firbank Grammar School

 Ivanhoe Girls Grammar
Kingswood College

Korowa Anglican Girls' Grammar School

Shelford Anglican Girls' School

St. Aloysius College

St Catherine's School

St Michael's Grammar School

Toorak College

Trinity Grammar School

Wesley College

Westbourne Grammar