California

Diablo Valley School

Leeway Sudbury School

Colorado

Alpine Valley School

Connecticut

Mountain Laurel Sudbury School

Florida

Spring Valley School

Sunset Sudbury School

Georgia

Sudbury School of Atlanta

Illinois

Tallgrass Sudbury School

Maryland

Arts & Ideas Sudbury School
Fairhaven School

Massachusetts

Sudbury Valley School
 

New Jersey

The Jersey Shore Free School

New York

Hudson Valley Sudbury School

Pennsylvania

The Circle School
The Philadelphia Free School

Texas

Clearview Sudbury School

Utah

The Sego Lily School

Washington

The Clearwater School
The Trillium School

West Virginia

Highland School