This was 7.4 percent lower than the state average of 43.2 percent. In 2020 the total municipality population reached 562.
88.7 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Exeter for 2020*
| Degree | Number of people | Percentage of population | 
|---|---|---|
| No degree | 52 | 11.3 | 
| Regular high school diploma | 108 | 23.4 | 
| GED or alternative credential | 14 | 3 | 
| Some college, less than 1 year | 41 | 8.9 | 
| Some college, 1 or more years, no degree | 81 | 17.6 | 
| Associate's degree | 57 | 12.4 | 
| Bachelor's degree | 83 | 18 | 
| Master's degree | 13 | 2.8 | 
| Professional school degree | 12 | 2.6 | 
| Doctorate degree | 0 | 0 | 

 
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