| St. Johnsbury - Educational Attainment | FIPS Code=05055 |
| 1970 | 1980 | 1990 | |
| Per Cent of Individuals Ages 25 and Older without a High School Diploma | 43.47 | 32.70 | 24.40 |
| Per Cent of Individuals Ages 25 and Older with a High School Diploma or Equivalent | 37.32 | 39.90 | 38.30 |
| Per Cent of Individuals Ages 25 and Older with a Bachelor's Degree or Some College | 11.89 | 15.70 | 20.00 |
| Per Cent of Individuals Ages 25 and Older with a Doctorate, Professional or Master's Degree | 7.32 | 11.70 | 17.30 |