Solotsolot National High School

Public High School

-None San Juan (Lapog) Ilocos Sur

Tel : 9258904629

Sinapangan National High School

Public High School

Balaoan La Union

Tel : 9287832759

Sisim National High School

Public High School

Cabugao Ilocos Sur

Tel : 9175785433

Sinait National High School

Public High School

Ricudo Sinait Ilocos Sur

Tel : 6740004

Fax : 6740004

Sigay National High School

Public High School

Poblacion, Sigay, I. Sur Sigay Ilocos Sur

Tel : 9357849320

Santol Voc'l. National High School

Public High School

Santol La Union

Tel : 9064719651

Santol Voc'l. National High School - Liguay Annex

Public High School

-Puguil, Santol, La Union Santol La Union

Tel : 9067422633

Santiago National High School

Public High School

Santiago Ilocos Sur

Tel : 9175806119

Sanlibo National High School

Public High School

Bayambang Pangasinan

Tel : 9077189814

San Vicente National High School

Public High School

San Vicente City Of Alaminos Pangasinan

Tel : 9295249552