The school started with a single classroom consisting of 60 bright students coming from different provinces in the Ilocos Region, with Dr. Igmedio M. Cariaga as principal.

For almost four years, it shared classrooms with its mother school DFLOMNHS located at National Highway, San Blas, Bangar, La Union.

To be eligible for admission, applicants must be Filipino students who belong to the top 10% of the graduating class and must have special aptitude in science and math.

The RSHS Library supports the students by providing resources ranging from traditional print and microform to electronic subscription e-journals and databases.

RSHS-1 seniors also showed good passing rate in the Department of Science and Technology Scholarship Examinations.