Dalandanan National High School is a secondary school in Valenzuela City. It is found in Dalandanan, Valenzuela City, Metro Manila.List of Principals Saturnina Bulan Sergio U. Indiongco Margarito B. Materum Amelita SP. Madarang Dr. Andres M. Leabres (OIC) Maxima G. Carlos Ronald A. Trono