The Marcellus Central School District: Sits on an 80-acre campus in western Onondaga County. Occupies 300,000 square feet of school building space – roughly the same as 167 average-size homes. Encompasses three school buildings that house: 2,471 desks; 4,693 chairs; 146 toilets; and 2,568 pieces of glass.  Find out more about Marcellus facilities on the Buildings and Grounds page.