This was 32.6 percent higher than the state average of 42.7 percent. In 2020 the total municipality population reached 1,439.
99.6 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Rolling Hills city for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 4 | 0.4 |
| Regular high school diploma | 81 | 7.7 |
| GED or alternative credential | 7 | 0.7 |
| Some college, less than 1 year | 11 | 1 |
| Some college, 1 or more years, no degree | 157 | 14.9 |
| Associate's degree | 53 | 5 |
| Bachelor's degree | 371 | 35.2 |
| Master's degree | 150 | 14.2 |
| Professional school degree | 160 | 15.2 |
| Doctorate degree | 59 | 5.6 |
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