This was 19.5 percent lower than the state average of 42.7 percent. In 2020 the total municipality population reached 527.
80.7 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Rolla for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 69 | 19.3 |
| Regular high school diploma | 112 | 31.3 |
| GED or alternative credential | 10 | 2.8 |
| Some college, less than 1 year | 9 | 2.5 |
| Some college, 1 or more years, no degree | 75 | 20.9 |
| Associate's degree | 20 | 5.6 |
| Bachelor's degree | 48 | 13.4 |
| Master's degree | 13 | 3.6 |
| Professional school degree | 1 | 0.3 |
| Doctorate degree | 1 | 0.3 |
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