- Australia
- Alia College (Melbourne)
- The Alternative School (Melbourne)
- Blacktown Youth College (Bidwill)
- Booroobin Sudbury Democratic Centre of Learning (Booroobin)
- Currambena Primary School and Preschool (Lane Cove)
- Fitzroy Community School (Melbourne)
- Kinma Primary and Preschool (Sydney)
- Learning Cooperative Hurstbridge (Hurstbridge)
- Pine Community School (Brisbane)
- Preshil, The Margaret Lyttle Memorial School (Melbourne)
- Village School (Melbourne)
- Austrija
- Die Hupfauer (Muenchdorf)
- SchuelerInnenschule im Wuk (Vienna)
- Schulkollektiv Wien Wuk (Vienna)
- Belgija
- De Weide (Erpe-Mire)
- De Vlinder Sudbury School (Ghent)
- Leerhuis Brussel (Brussels)
- Triangolo Sudbury School (Lier)
- Brazil
- Aprendiz City School
- Baniwa School Coripaco Pamáali
- Centro Integrado de Educação de Jovens e Adultos do Campo Limpo (CIEJA)
- EMEIF(R) Sebastiao Felix da Silva (Campos de Jordao)
- Escola Lumiar (Sao Paulo)
- Teia Multicultural School
- Tuyuka School
- Kanada
- Agate Private School (London)
- ALPHA Alternative School (Toronto)
- Alternative High School (Calgary)
- The Beach School (Toronto)
- Fairfield School (Wolfville)
- Indigo Sudbury Campus (South Edmonton)
- Sagemount School (Embrun)
- The Village Garden School (Kingston)
- Windsor House (North Vancouver)
- Wondertree Learning Center (Vancouver)
- Kolumbija
- Colegio Bilingue Jorge Emilio Gutierez (Bogota)
- Costa Rica
- Summerhill Latinoamericano
- Danska
- Det Frie Gymnasium (Kobenhavn)
- Lilleskolernes Sammenslutning
- Naestved Fri Skole (Naestved)
- Yggdrasil Skolen I Det Sydfynske (Stenstrup)
- Engleska
- Park School (Totnes)
- Sands School (Ashburton)
- Summerhill (Leiston)
- Ekvador
- The School of Refreshment (Vilcabamba)
- Finska
- Feeniks-koulu (Kerava)
- Francuska
- Lycee Autogere de Paris (Paris)
- Lycee Experimental (St. Nazaire)
- Njemačka
- Freie Schule Frankfurt (Frankfurt)
- Freie Schule Leipzig (Leipzig)
- Kapriole (Freiburg)
- Sudbury-Schule Halle-Leipzig e.V. (Leipzig)
- Guatemala
- El Colegio Naleb (Don Justo, Fraijanes)
- Mađarska
- Carl Rogers Person-Centered School (Budapest)
- Indija
- Abacus Montessori School (Chennai)
- Butterflies Program for Street and Working Children (New Delhi)
- Indonezija
- SLTP Alternatif Kampung Pingin Maju (Kampung Pingin Maju Junior High School) (Bangsri)
- Izrael
- Democrati Lev Hasharon (Lev Hasharon)
- The Democratic School of Kfar Sava (Kfar-Sava)
- The Democratic School of Ono Valley (Kiryat-Ono)
- Dolfin (Eilat)
- Eynot-Yarden (Upper Galilee)
- Hadera Democratic School (Hadera)
- Hashita (Rehovot)
- Hod Hasharon Democratic School (Hod Hasharon)
- Jerusalem Sudbury School (Jerusalem)
- Kanaf Democratic School (Ramat Ha'Golan)
- Kedem - Democratic School of Arad (Arad)
- Kehila - Democratic School in Tel Aviv (Tel-Aviv)
- The Keshet School (Zichron Yaakov)
- Kfar Kera Democratic School (Kfar Kera)
- Korczak Democratic School of Holon (Holon)
- Meitar (Kibbutz Beit Oren)
- Merchav (Givat Chen)
- Nadav - The Modi'in Democratic School (Modi'in)
- The Open Democratic School Jaffa (Tel-Aviv)
- Shachaf Democratic School (Shoham)
- Shalem (Upper Galilee)
- Tefen Experimental School (Tefen Industrial Estate)
- Yafa - The Arab Democratic School (Jaffa)
- Ziv-Kishurit (Kibbutz Kishor)
- Japan
- Democratic School Makkukurosuke (Kanzakigun)
- Democratic School Sola (Nishinomiya City)
- Global Community School (Takasago City)
- Kinokuni Children's Village (Hashimoto-shi)
- Tokyo Shure (Tokyo)
- Južna Afrika
- Nahoon Montessori School (Nahoon)
- Južna Koreja
- Dream School (Gwanak-Gu)
- San Children's School (Gyeonggi-Do)
- School Star (Kwanakgu)
- Small School(Gwang jin) (Seoul)
- Small school(Youngsan) (Seoul)
- Sung Mi San School) (Seoul)
- Nepal
- Sri Aurobindo Yoga Mandir (Kathmandu)
- Nizozemska
- Aquariushoeve (Nieuwleusen)
- Aventurijn (Loenen)
- De Kleine Wijzer (Udenhout)
- De Ruimte (Soest)
- De Vallei (Renkum)
- De Vrije Ruimte (Scheveningen)
- Guus Kieft School
- Iederwijs Apeldoorn "Wonderwijs" (Loenen)
- Iederwijs Betuwe (Tiel)
- Iederwijs Castricum (Castricum)
- Iederwijs Deventer (Deventer)
- Iederwijs Heuvelrug (Driebergen-Rijsenburg)
- Iederwijs Leeuwarden (Leeuwarden)
- Iederwijs Lopik (Lopik)
- Iederwijs Salland de Ontdekking (Heino)
- Iederwijs Schaijk/Oss (Schaijk)
- Iederwijs Slochteren (Slochteren)
- Iederwijs Someren (Someren)
- Novi Zeland
- Mountain Valley School (Motueka)
- Tamariki School (Christchurch)
- Timatanga Community School (Auckland)
- Norveška
- Ny Skolen
- Poljska
- ASSA (Wroclaw)
- Portugal
- Escola da Ponte (Vila Das Aves)
- Rusija
- Kluch School (Moscow)
- Moscow International Film School (Moscow)
- School of Self-Determination (Moscow)
- Sjedinjene Američke Države
- School Within A School (East Anchorage High School) (Anchorage)
- Steller Secondary School (Anchorage)
- Marietta Johnson School of Organic Education (Fairhope)
- A Full Table (Sahuarita)
- Highland Free School (Tucson)
- Big Rock Sudbury School (San Rafael)
- Cedarwood Sudbury School (Santa Clara)
- Diablo Valley School (Concord)
- Global Village School (Ojai)
- Manzanita School (San Luis Obispo)
- Play Mountain Place (Los Angeles)
- Sacramento Valley School (Sacramento)
- Alpine Valley School (Wheat Ridge)
- Eagle Rock School (Estes Park)
- Jefferson County Open School (Lakewood)
- The Living School (Boulder)
- The Patchwork School (Broomfield)
- Mountain Laurel Sudbury School (New Britain)
- New London Freedom School (New London)
- The New School (Newark)
- Full Circle Community School (Orlando)
- Grassroots Free School (Tallahassee)
- SAIL High School (Tallahassee)
- Spring Valley School (Palm Harbor)
- Stonesoup School (Crescent City)
- Horizons School (Atlanta)
- Sudbury Maui (Maui)
- Harmony Education Center (Bloomington)
- The Community School (Camden)
- The Discovery School (Lewiston)
- Evergreen Sudbury School (Hallowell)
- Liberty School (Blue Hill)
- The New School (Kennebunk)
- The School Around Us (Arundel)
- Fairhaven School (Upper Marlboro)
- Balance Rock Center (Jefferson)
- School Within a School (Brookline High School) (Brookline)
- Stone Soup School (Worcester)
- Sudbury Valley School (Framingham)
- Clonlara School (Ann Arbor)
- Second Foundation School (Minneapolis)
- Springfield Sudbury School (Springfield)
- The Community School (South Tamworth)
- The Meeting School (Rindge)
- Emerson Lily Free School (Andover)
- Teddy McArdle Free School (Little Falls)
- Voyagers' Community School (Colts Neck)
- The Tutorial School (Santa Fe)
- Academic Community for Educational Success (Bedford Hills)
- Brooklyn Free School (Brooklyn)
- The Free School (Albany)
- Harriet Tubman Free School (Albany)
- The Hudson Valley Sudbury School (Kingston)
- Lehman Alternative Community School (Ithaca)
- Little River Community School (Canton)
- Longview School and Homeschooling Center (Cortlandt Manor
- Manhattan Free School, New York
- The Scarsdale Alternative School (Scarsdale)
- School Without Walls (Rochester)
- Arthur Morgan School (Burnsville)
- Katuah Sudbury School (Fletcher)
- Blue Mountain School (Cottage Grove)
- Portland Family Freeschool (Portland)
- Trillium Charter School (Portland)
- Village Free School (Portland)
- The Circle School (Harrisburg)
- Upattinas School (Glenmoore)
- Casa Sudbury (Villas de Oro)
- Espacio A (San Juan)
- The Met School (Providence)
- The Farm School (Summertown)
- Laurel High School (Knoxville)
- Brazos Valley Sudbury School (Brookshire)
- Sego Lily School (Salt Lake City)
- The Red Cedar School (Bristol)
- ARCH Academy (Staunton)
- Blue Ridge Discovery School (Lynchburg)
- Friendship Sudbury School (Palmyra)
- H-B Woodlawn Program (Arlington)
- The New School of Northern Virginia (Fairfax)
- Shenandoah Valley Community School (Lacey Spring)
- The Clearwater School (Seattle)
- Olympia Community Free School (Olympia)
- Puget Sound Community School (Seattle)
- The Trillium School (Indianola)
- The Highland School (Highland)
- Tajland
- Moo Baan Dek (Kanchanaburi)
- Whispering Seed (Sangklaburi)
- Ukrajina
- Stork Family School (Vinnitsa)
