The history of Perimeter College fulfills a vital role in higher education in Georgia. From its history as a DeKalb County junior college, the institution has opened the door to higher education for hundreds of thousands of students during the past half-century. As part of the University System of Georgia, the college grew to serve more than 21,000 students on five campuses and online. Its 2016 consolidation with Georgia State University created the largest university in the state and one of the largest in the nation.