Sekolah Menengah Sains Raja Tun Azlan Shah or SERATAS is a boarding school located 3 km from the town of Taiping, Perak, Malaysia. It is situated at the foot of Bukit Larut (Maxwell Hill). The school covers an area of 51.9 acres (21.0 ha) and was founded on 1 January 1982 under the Rancangan Malaysia Ketiga (RMK-3). The school was formerly known as Sekolah Menengah Sains Perak and as Sekolah Menengah Sains Taiping or SEMESTA.