| Manchester - Educational Attainment | FIPS Code=3025 |
| 1970 | 1980 | 1990 | |
| Per Cent of Individuals Ages 25 and Older without a High School Diploma | 30.24 | 22 | 14 |
| Per Cent of Individuals Ages 25 and Older with a High School Diploma or Equivalent | 41.02 | 30.7 | 29.8 |
| Per Cent of Individuals Ages 25 and Older with a Bachelor's Degree or Some College | 13.95 | 20.1 | 23.9 |
| Per Cent of Individuals Ages 25 and Older with a Doctorate, Professional or Master's Degree | 14.78 | 27.2 | 32.4 |