Christ-centered and classical education. Parents and community leaders in Abingdon, Virginia have joined together to establish a Christian school that will assist families in the daily educational and spiritual training of their children. Cornerstone Christian Academy is a classical, non-denominational Christian school serving students in kindergarten through 9th grade. The mission of Cornerstone Christian Academy is to provide an excellent college preparatory education that teaches students how to think, learn and live consistently with Biblical principles acknowledging God as the foundation of all knowledge and truth.