AN ACT SEPARATING THE COMPOSTELA NATIONAL HIGH SCHOOL - MANGAYON HIGH SCHOOL IN BARANGAY MANGAYON, MUNICIPALITY OF COMPOSTELA, PROVINCE OF COMPOSTELA VALLEY FROM THE COMPOSTELA NATIONAL HIGH SCHOOL, CONVERTING IT INTO AN INDEPENDENT NATIONAL HIGH SCHOOL TO BE KNOWN AS THE MANGAYON NATIONAL HIGH SCHOOL AND APPROPRIATING FUNDS THEREFOR