Swimming Lessons for Kids The Henley Aquatic Center will be offering swimming lessons exclusively to ISD students in 2nd and 3rd grade on Enrichment Monday's during the 25-26 school year. Session 2 dates are the following Mondays: 3/9, 3/16, 3/23, 3/30, 4/13, 4/20 Class times are 9am, 10am & 11am