Lutheranhomeschool.com contains a far more exhaustive resource list than this one! LCMS Deaconess Mary J Moerbe has compiled an impressive list of Lutheran educational materials and recommendations, as well as a marketplace with several free downloads and future items for purchase. More Lutheran vendors welcome!
The Homeschool Legal Defense Association (HSLDA) is a great reference for finding legal requirements for homeschooling by state.
Wittenberg Academy is an online classical Lutheran school affiliated with the LCMS. They are accredited and they offer a free classical curriculum for grades K-6, and online courses for grades 7-12 with the option of graduating with a Wittenberg Academy diploma.
The Association of Lutheran High Schools Online (ALHSO) provides a forum for students to enroll in online courses. They are accredited and offer a wide variety of courses taught from a scriptural perspective by WELS and ELS instructors, but do not offer a diploma at this time.
Cheryl Swope is a leader in classical Lutheran education and also the creator of curriculum for children with special learning needs.
Lutheran Publishing Houses
Bethany Book Store (ELS)
Concordia Publishing House (LCMS)