The Old Geelong Grammarians (OGG) Association promotes the welfare of the School and unites former students of GGS, The Hermitage and Clyde School.

With over 12,000 members worldwide, there are branches throughout Australia, as well as South East Asia, the United Kingdom and America.

All enquiries about membership should be directed to Katie Rafferty, Acting Alumni Manager on tel: +61 3 5273 9338.