 Gahanna Christian Academy began as Evangel Christian Academy in 1980 as an outreach of Evangel Temple Assembly of God Church, now is overseen by One Church.Envisioned by Pastor Gene Speich, a "family life center" that included classrooms was built, initially housing preschool through sixth grade.7th and 8th grades were added in 1987, and a full high school for grades 9-12 was opened in 1996.