XS Tennis and Education Foundation offers advanced training for adults and experienced players. This course expands upon previous foundations to develop a more skilled player.

City of Palos Heights Parks & Recreation has several adult leagues to fit the need of their small community. Teams are filled with lifelong friends, neighbors, college students, and co-workers.

The Open Doors Program invites adults to engage in year-long programming, featuring weekly small-group meetings, one-to-one case management, guest speakers, and field trips.