The Guam Department of Education (GDOE), formerly the Guam Public School System, is a school district that serves the United States territory of Guam. The school district can be thought of as analogous to the school districts of other cities and communities in the United States, but in some manners, it can also be thought of as analogous to the state education agencies of other states and territories. The district is headquartered at the GDOE Headquarters on 500 Mariner Avenue Barrigada, Guam. Its headquarters were formerly at the Manuel F. L. Guerrero Administration Building at 312 Espinall Avenue, Hagåtña. The Guam Department of Education is a single unified school district consisting of grades kindergarten through 12th grade, with 26 elementary schools, eight middle schools, six high schools and alternative school serve over 30,000 students. In 1998, the U.S. Department of Defense opened schools for children of American military personnel. DODEA schools had an attendance of 2,500 in 2000. History Around 2008,it was reported that around one third of students graduating from the public schools on Guam go to US. School uniforms In the fall of 2008, the district required all schools to have school uniform policies for students. Any new schools opening must have policies in place after one year of opening. Students eighteen years of age or older may opt out of the uniforms for medical, religious, or other reasons as approved by the building principal. Schools Elementary schools Adacao Elementary School (Mangilao, opened 2009) Agana Heights Elementary School (Agana Heights, opened 1958) Astumbo Elementary School (Dededo, opened 1997) B.P. Carbullido Elementary School (Barrigada, opened 1965) Chief Brodie Memorial Elementary School (Tumon, Tamuning, opened 1965) C.L. Taitano Elementary School (Sinajana, opened 1958) Daniel L. Perez Elementary School (Yigo, opened 1968) Formerly Yigo Elementary School (name changed in 1998) F.Q. Sanchez Elementary School (Umatac, opened 1953) Finegayan Elementary School (Dededo, opened 1972) Harry S. Truman Elementary School (Santa Rita, opened 1966) Inarajan Elementary School (Inarajan, opened 1953) J.Q. San Miguel Elementary School (Mongmong-Toto-Maite, opened 1971) Juan M. Guerrero Elementary School (Dededo, opened 1971) Lyndon B. Johnson Elementary School (Tamuning, opened 1974) Liguan Elementary School (Dededo, opened August 21, 2008) Maria A. Ulloa Elementary School (Dededo, opened 1965) Machananao Elementary School (Yigo, opened 1998) Marcial Sablan Elementary School (Agat, opened 1998) Merizo Martyrs Elementary School (Merizo, opened 1966) Manuel Ulloa Lujan Elementary School (Yona, opened 1971) () Ordot/Chalan Pago Elementary School