The Home School Legal Defense Association is a non-profit advocacy organization established to defend and advance the constitutional right of parents to direct the education of their children and to protect family freedoms. HSLDA offers annual memberships and fully represents member families when they are in need of legal assistance. HSLDA also participates in legislative advocacy and research.

H.E.A.R.T.S.' goal is to join together a diverse and inclusive group of homeschoolers in community service projects – to increase public awareness, understanding, and acceptance of homeschoolers and homeschooling through combined service, outreach, and public relations efforts.

The American Homeschool Association (AHA), is a service organization sponsored in part by the publishers of Home Education Magazine. The AHA was created in 1995 to network homeschoolers on a national level. Current AHA services include an online news and discussion list which provides news, information, and resources for homeschoolers, media contacts, and education officials.

The Alliance for Parental Involvement in Education is a nonprofit organization which assists and encourages parental involvement in education, wherever that education takes place: in public school, in private school, or at home. AllPIE offers a newsletter (Options in Learning), annual conferences and retreats, a book catalog, workshops, lending library and more.

Alliance for Intellectual Freedom in Education is a network of individuals whose objective is to eliminate governmental interference in education, particularly home education, by raising awareness of the unalienable rights of conscience of all parents to raise and educate their children as they see fit.

The Home School Foundation is a supporting organization of the Home School Legal Defense Association. Their mission is to preserve parental freedoms, promote home schooling, provide assistance to needy home schooling families, and support like-minded organizations. They currently help families through seven funds: the Widows Fund, the Special Needs Children’s Fund, the Friends of Home Schooling Fund, the Generation Joshua Fund, the Compassion Fund, the PHC Scholarship Fund, and the Members Helping Members Fund.

Traditions of Roman Catholic Homes (TORCH) is an association of lay faithful established to promote homeschooling among Catholic families and to support those families who are engaged in providing their children's primary education at home. This is a national organization with several chapters around the country.

The National African-American Homeschoolers Alliance was born out of a desire to unite African-American homeschoolers nationally. Launched in January 2003, NAAHA is the only nonsectarian organization for African-American home schooling families. The primary objective of NAAHA is to disseminate home schooling information relevant to African-American homeschoolers or to anyone home schooling African-American children. NAAHA's fundamental mission is to consistently provide the latest and the best home school information and resources for members and online guests to enjoy--from home schooling books and curricula to new African-American support groups and organizations. In addition to being an information clearinghouse, NAAHA also provides free educational advisory help from educational professionals and from those with a degreed knowledge of a particular subject.

CHSNA is a national Catholic homeschool organization whose purpose is to represent homeschoolers' interests with diocesan officials and church and/or church-related organizations such as the NCEA, collaborate with other national homeschool groups to assure that concerns and interests of Catholics are represented, and to maintain contacts with Church officials both in America and in Rome. Join with leaders from across the nation at the annual Round Table of Catholic Home School Leaders and present to them the concerns you have shared with us.

NATHHAN (NATional cHallenged Homeschoolers Associated Network) is a Christian, non-profit organization dedicated to providing encouragement to families with children with special needs that are homeschooling. They publish an online or hard copy quarterly newsletter. They also publish a family directory, updated each year. They have a large lending library by operated by mail.