Montrose Bay High School is a government co-educational comprehensive secondary school with campuses located in and, northern suburbs of Hobart, Tasmania, Australia. Established in 2010, the school caters for approximately 700 students from Years 7 to 10. The school is administered by the Tasmanian Department of Education. In 2019 student enrolments were 625. The school principal is Pieta Langham-McKay. Montrose Bay High was formed in 2010 through a merger of Rosetta High School and Claremont High School.