Memorial High School is a public, co-educational secondary school located in Port Arthur, Texas, United States. It was established in August 2002 after a merger of Thomas Jefferson High School (4A), Abraham Lincoln High School (4A), and Stephen F. Austin High School (2A). Since then, Memorial High (5A) has been the only high school in the Port Arthur Independent School District. It serves most of Port Arthur and a portion of Groves. Initially, the school used the fromer Lincoln and Jefferson campuses; its new facility opened for the 2009-2010 school year in the north side of Port Arthur. It also has a 9th Grade Center in south Port Arthur, on the former Austin Middle School campus.