The average graduation rate over the past 10 years (2015-2025) is 48.30% where the last year rate was 48%.
The average retention rate of the last 11 years is 71.30% for full-time students and 43.70% for part-time students.
The average graduation rate of the last 11 years is 48.30% where the current academic year rate is 48%.
The following table and chart show the changes of graduation rate at Northern Illinois University over the past 10 years (2015-2025).
| Year | Total | Men | Women |
|---|---|---|---|
| 2015-16 | 50% | 49% | 52% |
| 2016-17 | 47% | 43% | 50% |
| 2017-18 | 45% | 42% | 48% |
| 2018-19 | 46% | 44% | 47% |
| 2019-20 | 48% | 45% | 51% |
| 2020-21 | 47% | 44% | 51% |
| 2021-22 | 50% | 48% | 53% |
| 2022-23 | 53% | 48% | 57% |
| 2023-24 | 49% | 44% | 54% |
| 2024-25 | 48% | 45% | 51% |
| Average | 48.30% | 45.20% | 51.40% |
The average retention rate of the last 11 years is 71.30% for full-time students and 43.70% for part-time students.
The following table shows the changes of retention rate at Northern Illinois from 2015 to 2025.
| Year | Full-time | Part-time |
|---|---|---|
| 2015-16 | 72% | 58% |
| 2016-17 | 73% | 42% |
| 2017-18 | 73% | 44% |
| 2018-19 | 73% | 43% |
| 2019-20 | 72% | 44% |
| 2020-21 | 78% | 65% |
| 2021-22 | 67% | 39% |
| 2022-23 | 65% | 29% |
| 2023-24 | 70% | 43% |
| 2024-25 | 70% | 30% |
| Average | 71.30% | 43.70% |
The average student to faculty ratio over the last 11 years is 14.70 to 1 where the current academic year ratio is 15 to 1. The following table and chart illustrate the change of student to faculty ratio at Northern Illinois University since 2025.
| Year | Student to Faculty Ratio |
|---|---|
| 2015-16 | 15:1 |
| 2016-17 | 14:1 |
| 2017-18 | 16:1 |
| 2018-19 | 13:1 |
| 2019-20 | 15:1 |
| 2020-21 | 16:1 |
| 2021-22 | 15:1 |
| 2022-23 | 14:1 |
| 2023-24 | 14:1 |
| 2024-25 | 15:1 |
| Average | 14.70:1 |
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