The Hoopers served as presidents of the Kooken PTA and the Arlington Gem and Mineral Club. They worked with the Girl Scouts, were first aid instructors, began the Arlington Community Fair and donated the first Little League ball fields at Randol Mill Park.

Neighborhood Park (17 acres)
Amenities:
- Basketball Court
- Hike/Bike Trail (.5 miles)
- Pond
- Fishing
- Grills
- Picnic Area
- Playground
- Natural Area
- Practice Field
- Pavilion (28’x28’, seats 15)