Jeffrey Froh is an associate professor of psychology and a school psychologist at Hofstra University in Hempstead, N.Y. He researches gratitude in young people and is a co-author of Making Grateful Kids: A Scientific Approach for Helping Youth Thrive.

Daniel N. McIntosh is a psychology professor at the University of Denver. He has studied autism and the role of religion in family coping with a disabled child and is supervising research on religion and perceptions among parents of children with disabilities.

Bridge Builders is a ministry of the Vineyard Church of Columbus, Ohio, to help incorporate disabled children and their families into the full range of church activities.

The HomeSchool Association of California publishes a newspaper and offers legislative and legal advocacy.

The Christian Home Educators Association of California is based in Norwalk, Calif.

The Texas Home School Coalition, a Christian-oriented advocacy group based in Lubbock, sponsors an awareness campaign in April.

Arizona Families for Home Education is a Christian-oriented advocacy group based in Chandler, Ariz.

Patrick Henry College in Purcellville, Va., was opened in 2000 by the Home School Legal Defense Association to provide higher education for Christian homeschooled students.

Carol Topp, author of Homeschool Co-ops: How to Start Them, Run Them and Not Burn Out (2008), blogs about the issues of running a co-op and offers workshops and other resources to parents interested in homeschooling children. Topp is a CPA who works out of her home office in Cincinnati.