Long Island Expressway westbound to the Cross Island Parkway.
Cross Island Parkway to the Throgs Neck Bridge North. Throgs Neck Bridge North to New England Thruway. New England Thruway to Hutchinson River Parkway North. Take the Hutchinson River Parkway North to Exit 23-N: "Mamaroneck Ave.- White Plains:" -- Do not Take Exit 22 Mamaroneck Road. At the end of the exit ramp, you will turn onto Mamaroneck Ave. - Northbound. Stepinac High School will be on your left, after the 3rd traffic light.