| Index | Stonington | Connecticut | National |
| Average Test Scores | 77% | 53% | 48% |
| Student/Teacher ratio | 16:1 | 14:1 | 16:1 |
| Total public schools | 1 | 654 | 79,221 |
| Total private schools | 2 | 207 | 24,874 |
| Total post-secondary schools | n/a | 81 | 7,963 |
Why stop at city-to-city? With Local Insights, you can compare neighborhoods, zip codes, or even exact addresses. Access 300+ hyperlocal data points—from schools and crime to housing and amenities—to see which area is the better fit.
| Index | Stonington | Connecticut | National |
| Completed 8th grade | 96.9% | 88.0% | 84.3% |
| Completed high school | 96.9% | 86.9% | 83.0% |
| Completed some college | 85.7% | 62.9% | 59.4% |
| Completed associate degree | 65.6% | 45.5% | 38.5% |
| Completed bachelors | 59.5% | 38.0% | 30.3% |
| Completed masters | 27.8% | 16.8% | 11.5% |
| Completed professional degree | 7.5% | 4.6% | 3.3% |
| Completed doctorate | 3.5% | 1.7% | 1.3% |
There are a total of 1 public schools, 2 private schools and n/a post-secondary schools in Stonington. Using the proficiency score averages, the average test scores for Stonington, CT schools is 77%. The average student to teacher ratio is 16:1. In Stonington, CT, an average of 96.9% of students have completed 8th grade and an average of 96.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fishers Island, NY | 61 | 80% | 66.7% |
| Ashaway, RI | 1,444 | 72% | 50.0% |
| Charlestown, RI | 1,392 | 70% | 44.8% |
| Pawcatuck, CT | 5,024 | 68% | 42.4% |
| Hope Valley, RI | 1,888 | 67% | 39.6% |
| Stonington, CT | 899 | 77% | 60.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Hazelton, ID | 899 | 38% | 20.8% |
| McCloud, CA | 899 | 40% | 16.7% |
| Teton, ID | 899 | 70% | 45.8% |
| Sharpsville, IN | 899 | 42% | 12.5% |
| Rising Star, TX | 899 | 43% | 11.5% |
| Stonington, CT | 899 | 77% | 60.4% |
Here are the best places to live in Connecticut
Most Dangerous States In The US
Check out the 10 most dangerous cities in Connecticut
These are the largest cities in Connecticut