This was 23.1 percent lower than the state average of 41.9 percent. In 2020 the total municipality population reached 558.
82.9 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Teachey for 2020*
| Degree | Number of people | Percentage of population |
|---|---|---|
| No degree | 62 | 17.1 |
| Regular high school diploma | 118 | 32.6 |
| GED or alternative credential | 3 | 0.8 |
| Some college, less than 1 year | 47 | 13 |
| Some college, 1 or more years, no degree | 64 | 17.7 |
| Associate's degree | 28 | 7.7 |
| Bachelor's degree | 23 | 6.4 |
| Master's degree | 17 | 4.7 |
| Professional school degree | 0 | 0 |
| Doctorate degree | 0 | 0 |
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