4. George Washington High School (Mangilao)
George Washington High Schoolis a public secondary school located at 298 Washington Drive in Mangilao, in the United States territory of Guam.
The school, a part of the Guam Department of Education (formerly Guam Public School System), opened in 1965 and serves grades 9 through 12.
As of 2014 the school serves the villages of Mangilao, Agana Heights, Chalan Pago-Ordot, and Sinajana. At the start of this school year, students residing in the villages of Barrigada and Mongmong-Toto-Maite are required to attend Tiyan High School.
George Washington High School requires uniforms, along with the rest of the schools under the Guam Public School System.