San Agustin National High School

Public High School

San Agustin Isabela

Tel : 9154761106

Sampaguita National High School

Public High School

-none Solana Cagayan

Tel : 9175198475

Salinungan National High School

Public High School

Ramones St. San Mateo Isabela

Tel : 9217273735

Saguday National High School

Public High School

Sampaguita II, Magsaysay Saguday Quirino

Tel : 9162500885

Roxas National High School-Main

Public High School

Facoma Site Roxas Isabela

Tel : 078-642-8442

Rizal Region National High School , Alicia, Isabela

Public High School

Alicia Isabela

Tel : 9158367862

Rebecca National High School

Public High School

Rebecca Gonzaga Cagayan

Tel : 09173076738 / 09159340256

Ramon National High School

Public High School

Purok 02 Ramon Isabela

Tel : -788592590

Quirino National High School - Main

Public High School

Quirino Isabela

Tel : 9175102025

Quirino State University-Laboratory National High School

Public High School

Purok 3 Diffun Quirino

Tel : 078-694-7056