- American Association of Colleges for Teacher Education
- American Associate Degree Early Childhood Educators
- Association for Childhood Education International
- Association of Teacher Educators
- Certification Map
- Council of Exceptional Children, Division of Early Childhood
- Education Commission of the States, Report on State Statutes on Kindergarten
- High/Scope Educational Research Foundation
- National Association for the Education of Young Children
- National Board of Professional Teaching Standards (NBPTS)
- Council for the Accreditation of Educator Preparation (CAEP)
- OMEP-U.S. National Committee (a unit of World Organization for Early Childhood Education)
- University of Kentucky page with certification requiements for all 50 states.
- Thematic Network Teacher Education in Europe
- Australian Early Childhood Association
- Canadian Association of Early Childhood Educators