The Christina School District is a public school district located in Newark, Delaware. It is the largest public school system in Delaware. Its administrative offices were formerly housed in the Old Newark Comprehensive School. Lillian M. Lowery served as Superintendent of the Christina School District from 2006 until her appointment as Secretary of the Delaware Department of Education in 2009, and was subsequently appointed as Superintendent of the Maryland State Department of Education in 2012. High Schools: Christiana High School, Glasgow High School, and Newark High School.