St. Vrain School District
Longmont, Frederick, Erie, Mead, Niwot, Hygiene, Frederick, Lyons.

Boulder Valley School District
Broomfield, Boulder, Louisville, Lafayette, Superior, Gold Hill, Jamestown, Nederland.

Thompson Valley School District
Loveland, Berthoud, Fort Collins

Weld County School District
Greeley, Evans

Johnstown-Milliken School District
Johnstown, Milliken