Normanhurst Boys High School (colloquially known as Normo) is an academically selective, public, high school for boys, located in Normanhurst, on the Upper North Shore of Sydney, New South Wales, Australia. Established in 1958 and operated by the New South Wales Department of Education and Communities (DEC), the school currently caters for around 730 students from Years 7 to 12. The school, affectionately known as "Normo," celebrated its 50th anniversary in 2008.