Pre-K3 through 12th Grade Private Christian School located in Rainsville, AL. Founded in 2002, Cornerstone Christian Academy is a religious institution engaged in preaching and propagating values of Christianity. Based in Rainsville, Ala.,The academy is an interdenominational Christian organization. It also offers preschool through 12th grade, as well as a parental support program. Cornerstone Christian Academy is a nonprofit corporation that provides Christ honoring and Bible centered preparatory education. It has accreditation from Alabama Christian Education Association (ACEA) and American Association of Christian Schools (AACS).