The High School Atrium is a multi-use facility that could be used for banquets, meetings or practices. Seating Capacity - 120 Address - 314 Elm Street Ext., Canonsburg, PA  15317 Rental Rates: Rent - TBD Custodial - $ 41.53/hr Maintenance - $ 48.76/hr Security - $ 15.75/hr Parkers - $ 24.00/hr