From the Roanoke County website:
Take advantage of the final days of summer! Come to Splash Valley on Friday for our Back to School Bash with added activities and live music after 4pm. Come back on Monday for our previously unscheduled bonus operating day from 11am to 5pm. Also on Monday, leave the kids at Green Ridge for School’s Out Day Camp, with swimming, crafts and games all day long. Sign up while space is still available.