Connecticut 
Burr Elementary
Julian Curtiss Elementary
North Mianus Elementary
North Street Elementary
Northeast Elementary
Riverside Elementary
Riverfield Elementary
Roger Sherman Elementary
Springdale Elementary
Stillmeadow Elementary

Maryland 
Ashburton Elementary
Barnsley Elementary
Bradley Hills Elementary
Beall Elementary School
Bells Mill Elementary
Burning Tree Elementary
Cabin John Middle
Cedar Grove Elementary
Carderock Springs Elementary
Farmland Elementary
Garrett Park Elementary
Lakewood Elementary
North Chevy Chase Elementary
Piney Branch Elementary
Rock Creek Forest Elementary
Rosemary Hills Primary School
Seven Locks Elementary
Sligo Creek Elementary
Takoma Park ES
Thomas Pyle Middle
Wayside Elementary
Wood Acres Elementary
Wilson Wims Elementary
Wyngate Elementary

New Jersey 
Apple Montessori – Edgewater
Apple Montessori – Hoboken Maxwell
Apple Montessori – Hoboken – Sinatra
Apple Montessori – Kinnelon
Apple Montessori – Mahwah
Apple Montessori – Morris Plains
Apple Montessori – Oakland
Apple Montessori – Randolph
Apple Montessori – Towaco
Apple Montessori – Wayne
Apple Montessori – Woodbridge
Verona – Brookdale Avenue Elementary
Verona – Forest Avenue Elementary
Verona – Laning Avenue Elementary

New York 
BMP Ridge Street School
Daniel Warren Elementary
F.E. Bellows Elementary
Greenvale School
Midland School
Osborn School

Virginia 
Beech Tree Elementary
Churchill Road Elementary
Colin Powell Elementary
Congregation Beth Emeth
Eagle View Elementary
Forestville Elementary
Great Falls Elementary
Haycock Elementary
Hillside Elementary
Kent Gardens Elementary
Laurel Hills Elementary
Olde Creek Elementary
Silverbrook Elementary
Sleepy Hollow Elementary
Spring Hill Elementary
St. Agnes Catholic
St. Anthony of Padua Catholic
Taylor Elementary

Washington D.C.
Bridges Public Charter
Lafayette Elementary
Langley Elementary
Peabody Primary School
Waterfront Academy
Watkins Elementary