International Step by Step Association, Leiden, The Netherlands

Nadácia otvorenej spoločnosti – Open Society Foundation, Bratislava, The Slovak Republic

Open Society Foundation London, UK

Pomoc deci, Belgrade, Serbia

Csoport-teka, Budapest, Hungary

Stichtung Aflatoun International, Amsterdam, The Netherlands

Rada Európy – Council of Europe, Strasbourg, France

Partners Hungary Foundation, Budapest, Hungary

Open Academy Step by Step, Zagreb, Croatia

Center for Educational Initiatives, Riga, Latvia

Association 21 July, Rome, Italy

Trust for Social Achievement, Sofia, Bulgaria

International Child Development Initiative, Leiden, The Netherlands

Step by Step Centre for Quality in Education, Ljubljana, Slovenia

VBJK, Ghent, Belgium

Schola Empirica, z. s., Prague, The Czech Republic

Nadace Open Society Fund, Prague, The Czech Republic

Generationen gehen gemeinsam, Finsterwalde, Germany

Educational Dynamics, Hermoupolis, Greece

Instituto Universitario de Lisboa, Portugal

MOMA, Varna, Bulgaria

Spoleczna Akademia Nauk, Lodz, Poland

Tiny Signers, Leeds, UK

Centrum för flexibelt lärande – Hälsinglands utbildningsförbund, Soderhamn, Sweden

Centro Italiano per l´Apprendimento Permanente, Rome, Italy

Link Campus University, Rome, Italy

The Business Foundation for Education, Sofia, Bulgaria

Aspire-igen Group Ltd., Bradford, UK

E&G Projekt Agentur GmbH, Finsterwalde, Germany

Elderberry AB, Hägersten, Sweden

Partnere per femijet, Tirana, Albania

MIOS, Tuzla, Bosnia & Hercegovina