Fast Facts

At NIU, numbers tell only part of our story, but they're an important part. From our intimate 16:1 student-to-faculty ratio to our diverse community where 50% of undergraduates are first-generation college students, these figures reflect our commitment to inclusive excellence.

Our vibrant campus community brings together more than 16,000 students from across the globe, creating an environment where future psychologists, engineers, artists and entrepreneurs learn alongside each other. With an average class size of 26 students and faculty who are leaders in their fields, NIU offers the personal attention of a small college with the opportunities of a major research university.

Fall 2025

Total Student Enrollment: 16,078 (Fall 2025)

  • 12,118 undergraduate students
  • 3,608 graduate students
  • 352 College of Law students
  • Nearly 4,500 students living on campus

Fall 2025 Enrollment Highlights

Entering class profile:

  • 2,435 new freshmen
  • 3.42 average high school GPA
  • 18% achieved 4.0 high school GPAs
  • 37% earned GPAs of 3.7 or higher
  • 54% first-generation college students
  • 80% awarded merit scholarships

Academic Profile

  • 1,023 instructional faculty
  • 16:1 student-to-faculty ratio
  • Average undergraduate class size: 26 students
  • Seven degree-granting colleges
  • Degree programs offered:
    • 81 bachelor’s programs
    • 56 master’s programs
    • 27 doctoral programs
    • Two specialist programs
  • Study abroad opportunities in 80 countries
  • Five career fairs annually, involving more than 500 employers

Academic Success

  • 1,361 students in the University Honors Program
  • 87% Graduation Success Rate for student-athletes
  • 4,082 degrees awarded (August 2025 to July 2026)
    • 2,696 bachelor’s degrees
    • 1,119 master’s degrees
    • 103 law degrees
    • 164 doctoral degrees

Most Popular Undergraduate Degree Programs

  • Psychology (B.A. and B.S. degrees)
  • Health Sciences (B.S. degree)
  • Business Administration (B.S. degree)
  • Accountancy (B.S. degree)
  • Mechanical Engineering (B.S. degree)
  • Biological Sciences (B.S. degree)
  • Nursing (B.S. degree)
  • Pre-computer Science (B.S. degree)
  • Marketing (B.S. degree)
  • Finance (B.S. degree)