Sultan Sharif Ali Secondary School (Malay: Sekolah Menengah Sultan Sultan Sharif Ali; abbreviated as SMSSA) is a government secondary school located in Salambigar in Brunei-Muara District, Brunei.

The school provides five years of secondary education, leading up to GCE 'O' Level qualification.

Located around 12 kilometres (7.5 mi) from Bandar Seri Begawan, Kampong Salambigar Secondary School was established in 1987.

[4] The school began admitting students on 4 June 1990.

The students previously studied at Pengiran Isteri Hajjah Mariam Secondary School, Sultan Omar Ali Saifuddien College, Raja Isteri Girls' High School and Sultan Muhammad Jamalul Alam Secondary School.