Jackson State University is a public historically black research university in Jackson, Mississippi. It is one of the largest HBCUs in the United States and the fourth largest university in Mississippi in terms of student enrollment. The university is a member of the Thurgood Marshall College Fund and classified among "R2: Doctoral Universities – High researc…Jackson State University is a public historically black research university in Jackson, Mississippi. It is one of the largest HBCUs in the United States and the fourth largest university in Mississippi in terms of student enrollment. The university is a member of the Thurgood Marshall College Fund and classified among "R2: Doctoral Universities – High research activity".