Merewether High School (abbreviated as MHS) is a government-funded co-educational academically selective secondary day school, located in the suburb of Broadmeadow in the city of Newcastle, in the Lower Hunter Region of New South Wales, Australia. The school enrolled approximately 1,080 students in 2018, from Year 7 to Year 12, of whom one percent identified as Indigenous Australians and 22 percent were from a language background other than English. The school is operated by the NSW Department of Education; the principal is Christine Rippon.