North Union High School is a public high school in Richwood, Ohio. It is the only high school in the North Union Local School District. The school's mascot is the Wildcat.
The football program made a turnaround during the 2006 football season with North Union's first winning record in 7 years. (6-4). The Wildcats 2008 season brought a new head football coach, Jesse Miller, and an improved 7-3 record. In 2009 the Wildcats returned to the field and produced a 10-1 season, 10-0 undefeated regular season, and losing their first ever playoff game to St. Henry in the opening round of the playoffs, at home 28-3.