- Urstville dventist chool supporting Sydney's St George community with quality primary (K-6) Christian education for almost 60 years contact the school today for a complimentary copy of our school video: because you care... Phone: (02) 9580-5794 and ask for Mrs Dianne Hillsdon (principal) home mission statement location principal's message calendar hand book contact us Visit other websites: ....www.hurstville.adventist.edu.au