Sta. Isabel National High School

Public High School

Purok 7 Ilagan (Capital) Isabela

Tel : 9328831614

San Pedro Integrated School

Public High School

Ilagan (Capital) Isabela

Tel : 9193683810

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

Public High School

Ilagan (Capital) Isabela

Tel : 9183048604

Quirino General National High School

Public High School

Purok 3 Cabarroguis (Capital) Quirino

Tel : not applicable

Fax : not applicable

Manaring Integrated School

Public High School

Ilagan (Capital) Isabela

Tel : 9156677225

Lupigue Integrated School

Public High School

Velasquez Ilagan (Capital) Isabela

Tel : 9214705526

Linao National High School

Public High School

Macababbad Street Tuguegarao City(Capital) Cagayan

Tel : 078-844-2126

Fax : 078-844-2126

ISAT-Cabannungan Annex

Public High School

Ilagan (Capital) Isabela

Tel : 9087113502

ISAT-Main

Public High School

Ilagan (Capital) Isabela

Tel : 078-624-0042

Fax : 078-624-0042

Isabela National High School - Main

Public High School

Claravall Ilagan (Capital) Isabela

Tel : 078-624-2636

Fax : 078-624-1159