The average graduation rate over the past 10 years (2015-2025) is 65.40% where the last year rate was 63%.
The average retention rate of the last 11 years is 75.40% (all full-time students).
The average graduation rate of the last 11 years is 65.40% where the current academic year rate is 63%.
The following table and chart show the changes of graduation rate at Illinois College over the past 10 years (2015-2025).
| Year | Total | Men | Women |
|---|---|---|---|
| 2015-16 | 71% | 70% | 73% |
| 2016-17 | 68% | 64% | 72% |
| 2017-18 | 60% | 54% | 66% |
| 2018-19 | 70% | 68% | 72% |
| 2019-20 | 62% | 58% | 67% |
| 2020-21 | 68% | 66% | 70% |
| 2021-22 | 64% | 56% | 71% |
| 2022-23 | 67% | 72% | 63% |
| 2023-24 | 61% | 60% | 61% |
| 2024-25 | 63% | 57% | 70% |
| Average | 65.40% | 62.50% | 68.50% |
The average retention rate of the last 11 years is 75.40% (all full-time students).
The following table shows the changes of retention rate at Illinois from 2015 to 2025.
| Year | Full-time | Part-time |
|---|---|---|
| 2015-16 | 79% | - |
| 2016-17 | 78% | - |
| 2017-18 | 77% | - |
| 2018-19 | 77% | - |
| 2019-20 | 78% | - |
| 2020-21 | 75% | - |
| 2021-22 | 76% | - |
| 2022-23 | 73% | - |
| 2023-24 | 70% | - |
| 2024-25 | 71% | - |
| Average | 75.40% | - |
The average student to faculty ratio over the last 11 years is 12.10 to 1 where the current academic year ratio is 12 to 1. The following table and chart illustrate the change of student to faculty ratio at Illinois College since 2025.
| Year | Student to Faculty Ratio |
|---|---|
| 2015-16 | 11:1 |
| 2016-17 | 12:1 |
| 2017-18 | 11:1 |
| 2018-19 | 13:1 |
| 2019-20 | 13:1 |
| 2020-21 | 13:1 |
| 2021-22 | 13:1 |
| 2022-23 | 12:1 |
| 2023-24 | 11:1 |
| 2024-25 | 12:1 |
| Average | 12.10:1 |
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