This was 2.6 percent lower than the state average of 42.7 percent. In 2020 the total municipality population reached 444.
95.5 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Norwich for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 12 | 4.5 |
| Regular high school diploma | 70 | 26 |
| GED or alternative credential | 3 | 1.1 |
| Some college, less than 1 year | 38 | 14.1 |
| Some college, 1 or more years, no degree | 38 | 14.1 |
| Associate's degree | 40 | 14.9 |
| Bachelor's degree | 50 | 18.6 |
| Master's degree | 18 | 6.7 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 0 | 0 |
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