This was 8.2 percent lower than the state average of 37 percent. In 2020 the total municipality population reached 113.
85.6 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Corona for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 15 | 14.4 |
| Regular high school diploma | 41 | 39.4 |
| GED or alternative credential | 0 | 0 |
| Some college, less than 1 year | 15 | 14.4 |
| Some college, 1 or more years, no degree | 3 | 2.9 |
| Associate's degree | 7 | 6.7 |
| Bachelor's degree | 13 | 12.5 |
| Master's degree | 4 | 3.8 |
| Professional school degree | 6 | 5.8 |
| Doctorate degree | 0 | 0 |
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