| Index | Cannondale | Connecticut | National |
| Average Test Scores | n/a | 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 | Cannondale | Connecticut | National |
| Completed 8th grade | 100.0% | 88.0% | 84.3% |
| Completed high school | 100.0% | 86.9% | 83.0% |
| Completed some college | 100.0% | 62.9% | 59.4% |
| Completed associate degree | 62.9% | 45.5% | 38.5% |
| Completed bachelors | 62.9% | 38.0% | 30.3% |
| Completed masters | 29.0% | 16.8% | 11.5% |
| Completed professional degree | 0.0% | 4.6% | 3.3% |
| Completed doctorate | 0.0% | 1.7% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Cannondale. Using the proficiency score averages, the average test scores for Cannondale, CT schools is n/a. The average student to teacher ratio is n/a. In Cannondale, CT, an average of 100.0% of students have completed 8th grade and an average of 100.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Carmel Hamlet, NY | 6,470 | 99% | 105.2% |
| Old Greenwich, CT | 7,189 | 87% | 80.2% |
| Riverside, CT | 9,108 | 86% | 78.6% |
| Darien, CT | 22,334 | 85% | 76.9% |
| Westport, CT | 28,385 | 84% | 75.7% |
| Cannondale, CT | 456 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Little River, KS | 456 | 28% | 42.7% |
| Fort Thomas, AZ | 456 | 21% | 57.3% |
| Prairie du Rocher, IL | 456 | 22% | 54.2% |
| Almond, NY | 456 | 58% | 21.4% |
| Hale, MO | 456 | 69% | 43.2% |
| Cannondale, CT | 456 | n/a |
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