The following school districts and organizations are members of Tri-State Area School Study Council in the 2024-2025 Membership Year:
A.W. Beattie Career Center
Allegheny Intermediate Unit
Apollo Ridge School District
ARIN IU 28
Avonworth School District
Beaver Area School District
Belle Vernon School District
Bentworth School District
Bethel Park School District
Big Beaver Falls Area School District
Blackhawk School District
Brentwood Borough School District
Brownsville Area School District
Burrell School District
Butler Area School District
Canon-McMillan School District
Carlynton School District
Chartiers Valley School District
Chartiers-Houston School District
Cornell School District
Deer Lakes School District
Duquesne City School District
Ellwood City School District
Environmental Charter School
Extra Mile Education Foundation
Fanny Edel Falk Laboratory School
Fort Cherry School District
Fox Chapel Area School District
Franklin Regional School District
Freedom Area School District
Gateway School District
Greensburg Salem School District
Grove City Area School District
Hampton Township School District
Hempfield Area School District
Highlands School District
Hopewell Area School District
Intermediate Unit 1
Jeannette City School District
Keystone Oaks School District
Lenape Technical School
Leechburg Area School District
McGuffey School District
McKeesport Area School District
Mohawk School District
Mt. Lebanon School District
Mt. Pleasant Area School District
New Brighton School District
North Allegheny School District
Northgate School District
PA Distance Learning Charter School
Parkway West CTC
Peters Township School District
Pine-Richland School District
Plum Borough School District
Provident Charter School
Quaker Valley School District
Riverview School District
Rochester Area School District
Seneca Valley School District
Shade-Central City School District
Shaler Area School District
Slippery Rock Area School District
South Fayette Township School District
Southmoreland School District
Trinity Area School District
Upper St. Clair School District
Washington School District
West Allegheny School District
West Jefferson Hills School District
West Mifflin Area School District
Western PA School for Blind Children
Westmoreland Intermediate Unit