Norwalk-ontario Superintendent 28861 Highway 131 Ontario, WI 54651 Phone : (608) 337-4403 Business Category Schools Schools-Elementary Schools-Public Norwalk-ontario-wilton School District Po Box 130 Ontario, WI 54651 Phone : (608) 337-4403 Business Category Schools Government Offices & Public Schools Norwalk-ontario-wilton--district Office Ontario, WI 54651 Phone : (608) 337-4403 Business Category Schools Administration Of Educational Programs Government Offices & Public Schools