sentences:  The learning environment of RiScians is not limited to its walls.Students are exposed to extracurricular activities such as science fairs, school press conferences, quiz bees, seminars, training, student organizations and clubs.RNSHS actively participates annually in contests like Schools Press Conferences, Science Fairs, Essay Writing Contest, "Patimpalak ng Sabayang Pagbikas", Speech Choir Competitions, Oratorical and Extemporaneous Speaking, Water Rocket Events, Tagisang Robotics of the Department of Science and Technology, and other events sponsored by schools, government agencies/units and non-government organizations.