* School ID : 106954 * School Name : San Guillermo Elementary School, San Marcelino, Zambales * Short Name : SGES * Previous Name : San Guillermo ES * Region : Region III * Province : Zambales * Division : Zambales * Municipality : San Marcelino * Legistative District : 1st District * Curricular Class : Kinder & Elementary * Date of Operation : Tuesday, January 01, 1974 * Email Address : -sanguillermo.elementaryschool@yahoo.com * District : San Marcelino * Classification : DepED Managed * School Type : School with no Annexes * Class Organization : Monograde