Spring Hill School District encourages, but doesn't mandate, masks in classroom WCPO Staff Gov. Mike DeWine on Tuesday ordered all students K-12 must wear masks when they return to school. and last updated 2021-07-26 23:08:06-04 Masks will be "highly encouraged" â not required â in the Spring Hill School District. The Board of Education adopted on Monday night Nearly all parents who spoke at Monday's school board meeting strongly opposed any mask mandate. Nearly every speaker told board members whether students wear a mask is a decision for parents, not school boards or the Johnson County Department of Health and Environment.