Ontario HS (OHS) Class of 1975 Alumni List

Help us Update the Ontario HS 1975 Class List by adding any names missing from the list below:

1975 Class List

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Reunions and Ontario High School News

More 1975 alumni from Ontario HS Mansfield, OH have posted profiles on Classmates.com®. Click here to register for free at Classmates.com® and view other 1975 alumni.


The Ontario High Mansfield, OH class of '75 alumni are listed below. These are former students from Ontario High in Mansfield, OH who graduated in 1975. Alumni listings below have either been searched for or they registered as members of this directory.

If you are a former student of Ontario in Mansfield, Ohio, register now to add your name.