Yahoo7 News | Scientology says Sydney school 'independent' after principal, students feature in church advertisement Yahoo7 News The Church of Scientology has defended the use of a Sydney primary school principal and some of her pupils in a video promoting the church. Play Video. Play. Mute. Current Time 0:00. /. Duration Time 0:00. Loaded: 0%. 0:00. Progress: 0%. 0:00. Progress ... Church of Scientology defends use of Sydney school children in advertising |