The 2020 Collinsville High School Junior/Senior Prom is Saturday, April 18, at the Hyatt Regency St. Louis at The Arch, St. Louis, MO. Tickets/Cost Tickets are $75.00 per person. This price includes dinner, unlimited beverages, dancing, photo booth, ticket, T-shirt and more. Schedule for the Evening 6:15 p.m. – Doors open; Registration begins 7:15 p.m. […]