This was 16.7 percent lower than the state average of 47.4 percent. In 2020 the total municipality population reached 466.
85.1 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Oak Level for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 58 | 14.9 |
| Regular high school diploma | 97 | 25 |
| GED or alternative credential | 21 | 5.4 |
| Some college, less than 1 year | 29 | 7.5 |
| Some college, 1 or more years, no degree | 64 | 16.5 |
| Associate's degree | 32 | 8.2 |
| Bachelor's degree | 63 | 16.2 |
| Master's degree | 24 | 6.2 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 0 | 0 |
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