| Index | Putnam | Connecticut | National |
| Average Test Scores | 43% | 53% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 654 | 79,221 |
| Total private schools | n/a | 207 | 24,874 |
| Total post-secondary schools | n/a | 81 | 7,963 |
| Index | Putnam | Connecticut | National |
| Completed 8th grade | 82.9% | 88.0% | 84.3% |
| Completed high school | 82.3% | 86.9% | 83.0% |
| Completed some college | 58.9% | 62.9% | 59.4% |
| Completed associate degree | 31.4% | 45.5% | 38.5% |
| Completed bachelors | 17.3% | 38.0% | 30.3% |
| Completed masters | 5.5% | 16.8% | 11.5% |
| Completed professional degree | 1.5% | 4.6% | 3.3% |
| Completed doctorate | 1.1% | 1.7% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Putnam. Using the proficiency score averages, the average test scores for Putnam, CT schools is 43%. The average student to teacher ratio is n/a. In Putnam, CT, an average of 82.9% of students have completed 8th grade and an average of 82.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Moosup, CT | 3,922 | 65% | 34.4% |
| Clayville, RI | 81 | 62% | 29.2% |
| East Douglas, MA | 2,985 | 57% | 19.4% |
| Chepachet, RI | 1,673 | 57% | 18.8% |
| Sturbridge, MA | 2,101 | 55% | 14.6% |
| Putnam, CT | 7,138 | 43% | 10.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Nappanee, IN | 7,138 | 63% | 31.3% |
| Belle Plaine, MN | 7,137 | 57% | 17.7% |
| Philadelphia, MS | 7,137 | 33% | 31.7% |
| Belle Isle, FL | 7,139 | 68% | 41.7% |
| Collinsville, OK | 7,140 | 39% | 19.0% |
| Putnam, CT | 7,138 | 43% | 10.4% |
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