Gahanna Christian Academy (GCA) is a private school (preschool and k-8) situated in the northeast area of Columbus, Ohio in the suburb of Gahanna, Ohio.

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.

Starting in the 2018-2019 school year, Gahanna Christian Academy will focus its efforts on providing the best quality early childhood center and Kindergarten through 8th grade program.

Gahanna Christian Academy offers middle school boys and girls basketball.