Jonathan Alder Local Schools

9200 US Highway 42 S
Plain City OH 43064

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Opening Hours

  • Mon: 8:40am-3:40pm
  • Tue: 8:40am-3:40pm
  • Wed: 8:40am-3:40pm
  • Thu: 8:40am-3:40pm
  • Fri: 8:40am-3:40pm


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Jonathan Alder School District is a rural district, composed of 120-square miles located in Plain City, Ohio, serving the communities of Madison and Union counties. The district manages two elementary schools offering classes from prekindergarten through grade five, a middle school and two high schools. Its Plain City Elementary enrolls more than 550 students and its Monroe elementary, located in Plumwood enrolls over 330 students. The district has a Canaan Middle School that offers classes from kindergarten grades six through eighth, with an enrollment of more than 430 students. Its Jonathan Alder High School is accredited by the North Central Association and enrolls over 500 students providing a wide range of subjects in its curriculum. The district operates a cafeteria that offers pre-pay lunch system, and ala carte items. The offices of the Superintendent and the Treasurer are located in the high school building.