| Index | Westerly | Rhode Island | National |
| Average Test Scores | 50% | 38% | 48% |
| Student/Teacher ratio | 14:1 | 15:1 | 16:1 |
| Total public schools | 6 | 193 | 79,221 |
| Total private schools | 1 | 114 | 24,874 |
| Total post-secondary schools | n/a | 24 | 7,963 |
| Index | Westerly | Rhode Island | National |
| Completed 8th grade | 85.8% | 83.8% | 84.3% |
| Completed high school | 85.5% | 82.4% | 83.0% |
| Completed some college | 60.5% | 59.3% | 59.4% |
| Completed associate degree | 40.3% | 41.0% | 38.5% |
| Completed bachelors | 29.5% | 32.5% | 30.3% |
| Completed masters | 11.6% | 13.1% | 11.5% |
| Completed professional degree | 2.0% | 3.9% | 3.3% |
| Completed doctorate | 0.8% | 1.8% | 1.3% |
There are a total of 6 public schools, 1 private schools and n/a post-secondary schools in Westerly. Using the proficiency score averages, the average test scores for Westerly, RI schools is 50%. The average student to teacher ratio is 14:1. In Westerly, RI, an average of 85.8% of students have completed 8th grade and an average of 85.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fishers Island, NY | 61 | 80% | 66.7% |
| Stonington, CT | 899 | 77% | 60.4% |
| Ashaway, RI | 1,444 | 72% | 50.0% |
| Charlestown, RI | 1,392 | 70% | 44.8% |
| Pawcatuck, CT | 5,024 | 68% | 42.4% |
| Westerly, RI | 17,842 | 50% | 3.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Radford, VA | 17,833 | 83% | 73.1% |
| Jenison, MI | 17,851 | 62% | 29.0% |
| El Dorado, AR | 17,826 | 42% | 12.4% |
| Canby, OR | 17,860 | 45% | 6.6% |
| Amsterdam, NY | 17,823 | 37% | 22.1% |
| Westerly, RI | 17,842 | 50% | 3.1% |
Here are the best places to live in Rhode Island
Check out the 10 most dangerous cities in Rhode Island
Check out the 10 safest cities in Rhode Island
Safest Cities In The US