National School of Sciences(NSS) is a premier educational institution that was established in 1993. It is one of the constituent institutes of the NIST Foundation and is located in Lainchour, Kathmandu Valley. The school offers a Plus 2 program (Grades 11–12), which is now Upper Secondary school coursework in Science and Management. The school follows the Nepalese National Examination Board’s (NEB) national curriculum.