The YMCA of Greater Houston is an inclusive, purpose-driven entity. We exist to bring real change to issues affecting our neighbors. We aren't just a place; we are a purpose. The Mark A. Champan at Katy Main Street YMCA has opportunities that include after-school programs at local schools, teens, Wellness Center, Group Exercise Classes, youth wellness, youth sports, swim lessons and enrichment, programs and classes for seniors, gymnasium, pickleball, virtual studio.