| Middletown Springs - Educational Attainment | FIPS Code=21055 |
| 1970 | 1980 | 1990 | |
| Per Cent of Individuals Ages 25 and Older without a High School Diploma | 44.82 | 32.20 | 22.30 |
| Per Cent of Individuals Ages 25 and Older with a High School Diploma or Equivalent | 32.32 | 33.10 | 33.70 |
| Per Cent of Individuals Ages 25 and Older with a Bachelor's Degree or Some College | 10.77 | 15.20 | 19.60 |
| Per Cent of Individuals Ages 25 and Older with a Doctorate, Professional or Master's Degree | 12.06 | 19.40 | 24.40 |