- American Association of School Administrators
From the website: AASA "is the professional organization for more than 13,000 educational leaders in the United States and throughout the world. AASA members range from chief executive officers, superintendents and senior level school administrators to cabinet members, professors and aspiring school system leaders."
- National Association of Secondary School Principals
From the website: "NASSP is the preeminent organization of and national voice for middle level and high school principals, assistant principals, and aspiring school leaders from across the United States and more than 45 countries around the world. The mission of NASSP is to promote excellence in school leadership."
- National Association of Independent Schools
From the website: "The primary purpose of the Association is to serve and strengthen independent schools of the United States and affiliated schools around the world by helping them maintain high quality and standards, preserve their independence to serve effectively the free society from which that independence derives, and provide access to students through the principles of diversity, choice, and opportunity."