ORRHS Senior Class Events on May 24, 2023 The Old Rochester Regional High School Senior Class Events Schedule is as follows: May 30: Senior Prom 6:30 pm – 10:00 pm June 1: Senior Awards Night 6:30 pm June 2: Senior Assembly 9:00 am June 2: Senior parade 6:15 pm June 3: Graduation 12:00 pm