Newcastle High School

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