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 Antonio Integrated School

Public High School

Purok #4 Diffun Quirino

Tel : 9163801673

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

Salinas High School

Public High School

Salinas Proper Bambang Nueva Vizcaya

Tel : 9279369099

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

Runruno National High School

Public High School

Centro Quezon Nueva Vizcaya

Tel : 9065408865