Beacon Hill High School (abbreviation: BHHS) also known for a time as Beacon Hill Technology High School is a former high school in the northern Sydney suburb of Beacon Hill, New South Wales, Australia. It was a co-educational high school operated by the New South Wales Department of Education and Training with students from years 7 to 12. The school was established in January 1964. However, due to declining enrolments the school was closed in December 2002, coinciding with the establishment of the Northern Beaches Secondary College. The last years were merged into Freshwater Senior Campus.