Newcastle High School can refer to:
Newcastle High School (Nebraska) in Newcastle, Nebraska Newcastle High School (Oklahoma) in Newcastle, Oklahoma Newcastle High School (Texas) in Newcastle, Texas Newcastle High School (Wyoming) in Newcastle, Wyoming Newcastle High School (Australia) in Newcastle, New South Wales Newcastle-under-Lyme School, a school in Newcastle-under-Lyme, England Newcastle High School (KwaZulu-Natal) in Newcastle, KwaZulu-Natal, South Africa Central Newcastle High School, an independent all-girls school in Newcastle upon Tyne
See also New Castle High School (disambiguation)