GHS 2020 Parents: You can volunteer for BINGO any Saturday and donate your hours to GHS SSGN 2020! This is an excellent way to help fund this event and it's fun and easy. Just click the link below to see available time slots to help out. If you've never done it before...no worries...newcomers are always welcome and no experience is necessary! The best time to check the sign up for new availability is Sunday mornings.