Southern Davao National High School is a public secondary institution of the Department of Education, located at Barangay Southern Davao, Panabo City. It initially started in 2005 with one makeshift building of 4 classrooms as an Annex School of Panabo National High School. In March 2009, it was turned into a regular National High School as Southern Davao National High School under the leadership of Manuel M. Esperanza, Principal III.