Deliveries: 12465 County Line Road, Chesterland, OH 44026
Mail: P.0. Box 8002, Gates Mills, OH 44040
Hawken's Upper School is located at the corner of Mayfield and County Line Roads in Gates Mills. County Line Road is three miles east of I-271 and Route 91 (S.O.M. Center Road) and 2.8 miles west of Route 306 in Chesterland. Once on campus, look for signs directing you to the building of your choice.