This was 8.4 percent higher than the state average of 46.3 percent. In 2020 the total municipality population reached 6,019.
89.4 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Highland for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 447 | 10.6 |
| Regular high school diploma | 733 | 17.4 |
| GED or alternative credential | 224 | 5.3 |
| Some college, less than 1 year | 163 | 3.9 |
| Some college, 1 or more years, no degree | 345 | 8.2 |
| Associate's degree | 444 | 10.5 |
| Bachelor's degree | 1,171 | 27.7 |
| Master's degree | 542 | 12.8 |
| Professional school degree | 118 | 2.8 |
| Doctorate degree | 33 | 0.8 |
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