Keystone High School is a public high school located in LaGrange, Ohio, southwest of Cleveland in Lorain County, Ohio. A new high school was built and opened in August, 2006.The school's colors are purple and white and the mascot is the Wildcat. The school is a member of the Patriot Athletic Conference (PAC-10). The tune of the alma mater is Far Above Cayuga's Waters; the fight song, On Wisconsin.Ohio High School Athletic Association State Championships Girls Softball - 1999, 2006, 2012Linkkeystonelocalschools.org|District Website