The average graduation rate over the past 10 years (2015-2025) is 24.80% where the last year rate was 28%.
The average retention rate of the last 11 years is 68.10% for full-time students and 36.70% for part-time students.
The average graduation rate of the last 11 years is 24.80% where the current academic year rate is 28%.
The following table and chart show the changes of graduation rate at Contra Costa College over the past 10 years (2015-2025).
| Year | Total | Men | Women |
|---|---|---|---|
| 2015-16 | 25% | 23% | 28% |
| 2016-17 | 22% | 20% | 25% |
| 2017-18 | 25% | 24% | 26% |
| 2018-19 | 20% | 19% | 20% |
| 2019-20 | 29% | 30% | 28% |
| 2020-21 | 21% | 21% | 21% |
| 2021-22 | 20% | 14% | 27% |
| 2022-23 | 25% | 21% | 29% |
| 2023-24 | 33% | 30% | 34% |
| 2024-25 | 28% | 24% | 32% |
| Average | 24.80% | 22.60% | 27.00% |
The average transfer-out rate of the last 11 years is 8.20% where the current year rate is 9%. The following table and chart illustrate the change of transfer-out rate at Contra Costa College from 2015 to 2025.
| Year | Transfer-out Rate |
|---|---|
| 2015-16 | 9% |
| 2016-17 | 8% |
| 2017-18 | 12% |
| 2018-19 | 7% |
| 2019-20 | 8% |
| 2020-21 | 10% |
| 2021-22 | 7% |
| 2022-23 | 5% |
| 2023-24 | 7% |
| 2024-25 | 9% |
| Average | 8.20% |
The average retention rate of the last 11 years is 68.10% for full-time students and 36.70% for part-time students.
The following table shows the changes of retention rate at CCC from 2015 to 2025.
| Year | Full-time | Part-time |
|---|---|---|
| 2015-16 | 66% | 35% |
| 2016-17 | 68% | 39% |
| 2017-18 | 67% | 46% |
| 2018-19 | 67% | 40% |
| 2019-20 | 71% | 35% |
| 2020-21 | 65% | 31% |
| 2021-22 | 69% | 29% |
| 2022-23 | 65% | 38% |
| 2023-24 | 71% | 36% |
| 2024-25 | 72% | 38% |
| Average | 68.10% | 36.70% |
The average student to faculty ratio over the last 11 years is 21.70 to 1 where the current academic year ratio is 22 to 1. The following table and chart illustrate the change of student to faculty ratio at Contra Costa College since 2025.
| Year | Student to Faculty Ratio |
|---|---|
| 2015-16 | 21:1 |
| 2016-17 | 22:1 |
| 2017-18 | 23:1 |
| 2018-19 | 25:1 |
| 2019-20 | 23:1 |
| 2020-21 | 21:1 |
| 2021-22 | 20:1 |
| 2022-23 | 20:1 |
| 2023-24 | 20:1 |
| 2024-25 | 22:1 |
| Average | 21.70:1 |
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