Northern Arizona University

As of fall 2017, 31,057 students were enrolled, 22,376 at the Flagstaff campus. The average cost of tuition and fees for a full-time, Arizona resident undergraduate student for two semesters is $11,059, and out-of-state undergraduates pay an estimated $24,841. NAU also participates in the Western Undergraduate Exchange Program, which offers lower tuition rates for students from the Western United States. For 2017–18, WUE tuition and fees are $16,078.^[12] NAU offers Flagstaff undergraduate students the Pledge Program, which guarantees the same tuition rate for four years. According to the global university rankings published by Times Higher Education in 2018, NAU ranked among the top 500 universities in the world and in the top 10 percent worldwide for the frequency of citations of its research by other researchers. The Center for World University Rankings places Northern Arizona in the top 2.9% of degree-granting institutions of higher education worldwide.