| Hartland Town - Educational Attainment | FIPS Code=27045 |
| 1970 | 1980 | 1990 | |
| Per Cent of Individuals Ages 25 and Older without a High School Diploma | 35.57 | 22.50 | 14.10 |
| Per Cent of Individuals Ages 25 and Older with a High School Diploma or Equivalent | 38.83 | 37.40 | 38.80 |
| Per Cent of Individuals Ages 25 and Older with a Bachelor's Degree or Some College | 16.49 | 19.00 | 25.40 |
| Per Cent of Individuals Ages 25 and Older with a Doctorate, Professional or Master's Degree | 9.11 | 21.00 | 21.70 |