- A Guide To The Private School Admissions Process - A how-to regarding the private school admissions process in the United States.
- AdmissionsQuest - Find and apply online to private schools in the United States.
- American Montessori Society - Directory of US schools that follow the Montessori philosophy of education.
- Council for American Private Education (CAPE) - A coalition of national organizations and state affiliates serving private elementary and secondary schools.
- Department of Defense Education Activity (DoDEA) - A civilian agency of the U.S. who oversees all oversea schools in military bases.
- Education Seek - A directory of private schools in the United States.
- Independent School Management (ISM) - A provider of consulting, workshops, publications and insurance for private or independent schools around the globe.
- National Association of Independent Schools (NAIS) - Represents over 1,100 independent schools and associations in the United States and abroad.
- National Association of Private Schools - A consortium of Christian educators and private school administrators from across the United States and Canada dedicated to recognizing and improving the spiritual and educational quality of private and Christian schools.
- National Independent Private School Association - Organization for operators of for-profit private schools in the United States.
- Private School Review - Free, detailed profiles of private schools and their surrounding communities.
- Private Schools Interscholastic Association (PSIA) - Mission is to promote private, charter and home-school student achievement through academic competition.
- The Coalition of Lighthouse Schools - Exists to create a dynamic learning community of schools that is utilizing one-to-one computing to empower students and teachers to lead in the twenty-first century.
- The National Coalition of Girls' Schools - Site offers a number of valuable resources for girls, their parents and educators including recommended readings and a list of publications about what works for girls, including a free directory of girls' schools nationwide.
- The Vincent/Curtis Educational Register - Search database or request a free directory of private independent boarding schools, summer study programs and camps. Site has articles about related topics.
