This was 20 percent lower than the state average of 38.9 percent. In 2020 the total municipality population reached 307.
70.3 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Olar for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 66 | 29.7 |
| Regular high school diploma | 56 | 25.2 |
| GED or alternative credential | 13 | 5.9 |
| Some college, less than 1 year | 20 | 9 |
| Some college, 1 or more years, no degree | 25 | 11.3 |
| Associate's degree | 17 | 7.7 |
| Bachelor's degree | 8 | 3.6 |
| Master's degree | 11 | 5 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 6 | 2.7 |
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