Hill Country Homeschool Association in Kerrville
Kerrville Homeschool Group. Offers classes and field trips for k-12th.

Hill Country Christian Homeschoolers
Homeschool group that meets in Bulverde area. They offer classes k-12th, field trips, family functions, testing, ect.

FACET Co-op
Homeschool group in S.A. that offers classes and sports.

Classical Conversations
Classical Conversation is a nationwide program that helps train and equip parents to provide their children with a Christian classical education. Communities meet once a week for a class day led by a tutor, who is there to help you, the homeschool teacher. There are communities offering classes from K4 through High School all over San Antonio and surrounding areas.