The school was conceived through the efforts of the Barangay Council of Sto. Tomas, Camaligan, Camarines Sur headed by the former
Barangay Chairman Andres Servidad on 1 April 1979. A proposal was made and all of the barangay chairmen of
Camaligan were informed about the plan. On the last week of May 1979, a meeting at the municipal hall was called for the finalization the opening of the school, being attended by Henry Aguire (
Human Settlement Officer), Olap Benosa (
District Supervisor), Godolfredo N. Cordial (
Camaligan Central School Principal), Dalmacio A. Aurellano (
Municipal Mayor), Roger P. Cariño (
Municipal Councilor), Ramon Caceres (
Municipal Treasurer), other municipal, barangay and school officials, and the present 58 enrollees. The school officially opened on 1 July 1979 as
Sto. Tomas High School. In 2012, the school adopted the
K-12 Curriculum in response to the Enhanced Basic Education Act signed by President
Benigno Aquino III. In 2013, the school has been renamed to
Camaligan National High School due to it being the only existing high school in town. ==School Hymn==