| ACSUMS Bigaan Mangyan School | — | — | school/isced1 | — |
| Abaroan Elementary School | — | — | school/isced1 | — |
| Abaroan National High School | — | — | school/isced2 | — |
| Aberawan Elementary School | — | — | school/isced1 | — |
| Abongan Elementary School | — | — | school/isced1 | — |
| Abongan National High School | — | — | school/isced2 | — |
| Aborlan Central School | — | — | school/isced0-1 | — |
| Aborlan National High School | — | — | school/isced2-3 | — |
| Abra de Ilog Central School | — | — | school/isced0-1 | — |
| Abra de Ilog National High School | — | — | school/isced2-3 | — |
| Abra de Ilog National High School – Biga Extension | — | — | school/isced2 | — |
| Abra de Ilog National High School – Camurong Annex | — | — | school/isced2 | — |
| Abubakar Elementary School | — | — | school/isced1 | — |
| Abud-Abod Elementary School | — | — | school/isced1 | — |
| Adela Elementary School | — | — | school/isced0-1 | — |
| Adrialuna Elementary School | — | — | school/isced1 | — |
| Agbaluto Elementary School | — | — | school/isced1 | — |
| Agbay-ang Elementary School | — | — | school/isced0-1 | — |
| Agmanic Elementary School | — | — | school/isced1 | — |
| Agnaga Elementary School | — | — | school/isced1 | — |
| Agnay Elementary School | — | — | school/isced1 | — |
| Agnipa Elementary School | — | — | school/isced1 | — |
| Agnipa National High School | — | — | school/isced2 | — |
| Agnocnoc Elementary School | — | — | school/isced1 | — |
| Agojo Elementary School | — | — | school/isced0-1 | — |
| Agong Elementary School | — | — | school/isced1 | — |
| Agos Elementary School | — | — | school/isced1 | — |
| Agot Elementary School | — | — | school/isced1 | — |
| Agpanabat Elementary School | — | — | school/isced1 | — |
| Agpudlos Elementary School | — | — | school/isced1 | — |
| Agsalin Elementary School | — | — | school/isced1 | — |
| Agsao Elementary School | — | — | school/isced1 | — |
| Agtiwa Elementary School | — | — | school/isced1 | — |
| Agtongo Elementary School | — | — | school/isced1 | — |
| Aguas Elementary School | — | — | school/isced1 | — |
| Aguas National High School | — | — | school/isced2 | — |
| Aguinaldo Elementary School | — | — | school/isced1 | — |
| Agumaymayan Elementary School | — | — | school/isced1 | — |
| Agutay Elementary School | — | — | school/isced1 | — |
| Agutay National High School – Annex | — | — | school/isced2 | — |
| Agutayan Elementary School | — | — | school/isced0-1 | — |
| Agutayan Elementary School | — | — | school/isced1 | — |
| Agutayan Elementary School | — | — | school/isced0-1 | — |
| Alacaak Elementary School | — | — | school/isced1 | — |
| Alacalian Elementary School | — | — | school/isced1 | — |
| Alag Elementary School | — | — | school/isced0-1 | — |
| Alava Elementary School | — | — | school/isced0-1 | — |
| Albaguen Elementary School | — | — | school/isced1 | — |
| Alcadesma National High School | — | — | school/isced2-3 | — |
| Alcantara Central Elementary School | — | — | school/isced1 | — |
| Alcantara National High School | — | — | school/isced2-3 | — |
| Alcate Elementary School | — | — | school/isced1 | — |
| Alcoba Elementary School | — | — | school/isced1 | — |
| Alegria Elementary School | — | — | school/isced0-1 | — |
| Alfonso Valerio Elementary School | — | — | school/isced1 | — |
| Alfonso XIII Elementary School | — | — | school/isced0-1 | — |
| Alfredo P. Navarette Memorial School | — | — | school/isced1 | — |
| Ali-aly Roldan Memorial Elementary School | — | — | school/isced0-1 | — |
| Alibog Elementary School | — | — | school/isced1 | — |
| Alimanguan Elementary School | — | — | school/isced1 | — |
| Alimanguan National High School | — | — | school/isced2-3 | — |
| Alimawan Elementary School | — | — | school/isced1 | — |
| Alipondo Elementary School | — | — | school/isced0-1 | — |
| Alitaytayan Elementary School | — | — | school/isced0-1 | — |
| Almavilla Elementary School | — | — | school/isced1 | — |
| Alobo Elementary School | — | — | school/isced0-1 | — |
| Alobo National High School | — | — | school/isced2 | — |
| Amaling II Elementary School | — | — | school/isced1 | — |
| Amando A. Rico Elementary School | — | — | school/isced1 | — |
| Amando Carlos Lahoz National High School | — | — | school/isced2 | — |
| Amatong-Orlina Elementary School | — | — | school/isced1 | — |
| Ambang Mangyan School | — | — | school/isced0-1 | — |
| Ambulong Elementary School | — | — | school/isced1 | — |
| Ambulong Island Integrated School | — | — | school/isced2 | — |
| Amoingon Elementary School | — | — | school/isced1 | — |
| Anahao Elementary School | — | — | school/isced1 | — |
| Anahaw Elementary School | — | — | school/isced1 | — |
| Andres Soriano Memorial Elementary School | — | — | school/isced1 | — |
| Angas Elementary School | — | — | school/isced1 | — |
| Aninuan Elementary School | — | — | school/isced0-1 | — |
| Anoling Elementary School | — | — | school/isced0-1 | — |
| Anoling High School | — | — | school/isced2 | — |
| Ansiray Elementary School | — | — | school/isced0-1 | — |
| Antipolo Elementary School | — | — | school/isced1 | — |
| Antipolo Elementary School | — | — | school/isced1 | — |
| Antipolo-Banuyo Elementary School | — | — | school/isced1 | — |
| Antonino Elementary School | — | — | school/isced0-1 | — |
| Antonino Elementary School | — | — | school/isced0-1 | — |
| Apitong National High School | — | — | school/isced2-3 | — |
| Aplaya Primary School | — | — | school/isced1 | — |
| Apnagan Elementary School | — | — | school/isced1 | — |
| Apurawan Elementary School | — | — | school/isced0-1 | — |
| Araceli B. Pantilanan - Bacawan High School | — | — | school/isced2-3 | — |
| Araceli North Central School | — | — | school/isced1 | — |
| Araceli Plainview National High School | — | — | school/isced2 | — |
| Araceli Western National High School | — | — | school/isced2 | — |
| Aramaywan Elementary School | — | — | school/isced1 | — |
| Aramaywan National High School | — | — | school/isced2-3 | — |
| Arasan Elementary School | — | — | school/isced0-1 | — |
| Arellano Elementary School | — | — | school/isced1 | — |