High Quality Content by WIKIPEDIA articles! Xenia Christian High School is a private, Christian high school in Xenia, Ohio. It is one of two high schools run by the Dayton Christian School System. Xenia Christian High School includes junior high (Grade 7-8) and High School. (Grade 9-12) Dayton Christian Schools added Xenia Christian Elementary and High School in 1993. Their nickname is the Ambassadors. There are approximately 240 students attending Xenia Christian High School. The school features a library, computer lab, auditorium, and a gym.