The average graduation rate over the past 10 years (2015-2025) is 69.00% where the last year rate was 67%.
The average retention rate of the last 11 years is 82.20% for full-time students and 49.40% for part-time students.
The average graduation rate of the last 11 years is 69.00% where the current academic year rate is 67%.
The following table and chart show the changes of graduation rate at Adelphi University over the past 10 years (2015-2025).
| Year | Total | Men | Women |
|---|---|---|---|
| 2015-16 | 67% | 61% | 70% |
| 2016-17 | 68% | 60% | 72% |
| 2017-18 | 68% | 64% | 69% |
| 2018-19 | 70% | 62% | 74% |
| 2019-20 | 73% | 64% | 77% |
| 2020-21 | 72% | 70% | 73% |
| 2021-22 | 70% | 71% | 70% |
| 2022-23 | 67% | 64% | 68% |
| 2023-24 | 68% | 65% | 70% |
| 2024-25 | 67% | 60% | 70% |
| Average | 69.00% | 64.10% | 71.30% |
The average transfer-out rate of the last 11 years is 22.50% where the current year rate is 24%. The following table and chart illustrate the change of transfer-out rate at Adelphi University from 2015 to 2025.
| Year | Transfer-out Rate |
|---|---|
| 2015-16 | 23% |
| 2016-17 | 24% |
| 2017-18 | 24% |
| 2018-19 | 23% |
| 2019-20 | 21% |
| 2020-21 | 21% |
| 2021-22 | 22% |
| 2022-23 | 23% |
| 2023-24 | 20% |
| 2024-25 | 24% |
| Average | 22.50% |
The average retention rate of the last 11 years is 82.20% for full-time students and 49.40% for part-time students.
The following table shows the changes of retention rate at Adelphi from 2015 to 2025.
| Year | Full-time | Part-time |
|---|---|---|
| 2015-16 | 84% | 52% |
| 2016-17 | 83% | 29% |
| 2017-18 | 80% | 45% |
| 2018-19 | 80% | 70% |
| 2019-20 | 79% | 38% |
| 2020-21 | 82% | 50% |
| 2021-22 | 83% | 50% |
| 2022-23 | 85% | 60% |
| 2023-24 | 83% | 50% |
| 2024-25 | 83% | 50% |
| Average | 82.20% | 49.40% |
The average student to faculty ratio over the last 11 years is 11.60 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 Adelphi University since 2025.
| Year | Student to Faculty Ratio |
|---|---|
| 2015-16 | 11:1 |
| 2016-17 | 11:1 |
| 2017-18 | 11:1 |
| 2018-19 | 12:1 |
| 2019-20 | 11:1 |
| 2020-21 | 12:1 |
| 2021-22 | 12:1 |
| 2022-23 | 12:1 |
| 2023-24 | 12:1 |
| 2024-25 | 12:1 |
| Average | 11.60:1 |
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