Santisimo Rosario National High School (Filipino: Pambansang Mataas na Paaralan ng Santisimo Rosario. abbreviated as SRNHS or Stmo. Rosario NHS) is a public secondary school located at Barangay Santisimo Rosario, San Pablo City, Laguna, Philippines established in 1995. It offers junior and senior secondary education. The senior education course consists of Agriculture, Fisheries, and General Education. It is the first public high school in San Pablo City to produce senior high school graduates since the implementation of K-12 curriculum by Department of Education in 2012. The institution has an extension located at Barangay Atisan, San Pablo City, Laguna