| Sudbury - Educational Attainment | FIPS Code=21115 |
| 1970 | 1980 | 1990 | |
| Per Cent of Individuals Ages 25 and Older without a High School Diploma | 41.09 | 26.50 | 12.70 |
| Per Cent of Individuals Ages 25 and Older with a High School Diploma or Equivalent | 43.41 | 41.70 | 38.20 |
| Per Cent of Individuals Ages 25 and Older with a Bachelor's Degree or Some College | 15.50 | 18.70 | 21.00 |
| Per Cent of Individuals Ages 25 and Older with a Doctorate, Professional or Master's Degree | 0.00 | 13.00 | 28.00 |