This site has information on getting a GED, including testing centers and preparation classes. Also, they offer information about Adult Diploma Programs which provides job training and for adults, ages 22 or older to earn industry credentials, and an alternative way to earn a high school diploma.
25 South Front Street, Columbus, Ohio 43215
(877) 644-6338
education.ohio.gov/Topics/Testing/Ohio-Options-for-Adult-Diploma