In 2020 the total municipality population reached 29.
100 percent of the population had at least a high school diploma or the equivalent.
Degree distribution in Excello for 2020*
| Degree | Number of people | Percentage of population | 
|---|---|---|
| No degree | 0 | 0 | 
| Regular high school diploma | 7 | 38.9 | 
| GED or alternative credential | 0 | 0 | 
| Some college, less than 1 year | 0 | 0 | 
| Some college, 1 or more years, no degree | 11 | 61.1 | 
| Associate's degree | 0 | 0 | 
| Bachelor's degree | 0 | 0 | 
| Master's degree | 0 | 0 | 
| Professional school degree | 0 | 0 | 
| Doctorate degree | 0 | 0 | 

 
               
                 
                 
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