Montclair State University (MSU) is a public research university in Montclair, New Jersey, with parts of the campus extending into Clifton and into Little Falls. As of fall 2018, Montclair State was, by enrollment, the second largest public university in New Jersey. As of June 2024, there were 22,570 total enrolled students: 18,062 undergraduate students and 4,508 graduate students. It is classified among "R2: Doctoral Universities – High research activity". The campus covers approximately 252 acres (1.02 km2). The university offers more than 300 majors, minors, and concentrations.