Dokkyo Saitama High School is on a lot approximately . The grounds consists of a gym, baseball field, combined use, soccer and rugby field, track-and-field, 7 tennis courts, outdoor Olympic size swimming pool (25-metre, 9 course). In 2005 (the 25th anniversary commemorative project), the school added a second gym that is indoor and included two basketball courts two in conjunction with the first gym. There are fully equipped locker rooms in the classroom for the senior high school students, but the junior high school tower does not have locker rooms. There are 15 sport clubs and 8 artistic clubs.