Barretto National High School
Barretto National High School , formerly known as Barragay High School then changed to Barretto High School , is a school in Barrangay Barretto , Olongapo City , Province of Zambales , Philippines . 
<triplet> Barretto National High School <subj> Olongapo <obj> located in the administrative territorial entity <triplet> Zambales <subj> Olongapo <obj> contains administrative territorial entity