San Mariano National High School - Main

Public High School

San Mariano Isabela

Tel : 6547008

Fax : 078-6547008

San Isidro National High School

Public High School

San Isidro Isabela

Tel : 9198025322

San Antonio National High School

Public High School

San Antonio Delfin Albano (Magsaysay) Isabela

Tel : 9175614717

San Antonio Nat'l. Agro-Ind'l. & Voc'l. National High School

Public High School

Ilagan (Capital) Isabela

Tel : 9183048604

San Antonino National High School

Public High School

-San Antonino Burgos Isabela

Tel : 9295709294

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