| Zamboanga del Sur National High School | |
| Established: | 1968 |
| Type: | Public School |
| Principal: | Mrs. Fe A. Bibanco |
| City: | Pagadian City |
| Country: | Philippines |
| Free Label: | Hymn |
| Free: | "ZSNHS Hymn" |
| Website: | Archived site |
| Address: | Sta. Maria District, Pagadian City |
| Coordinates: | 7.8336°N 123.441°W |
Zamboanga del Sur National High School is a public school in Zamboanga del Sur, Philippines, which was established in 1968, is the largest (in terms of student population). It was originally named "Zamboanga del Sur Provincial High School", but was renamed in 1975.
1st* Special Science Curriculum (DOST or STEP, SPST)
3 sections per year level
2nd* Special Program in the Arts Curriculum (SPA)
2 sections per year level
3rd* Basic Education Curriculum (BEC)
10-12 sections per year level
4th* Special Program in Sports (SPS)
2 sections per year level