| Index | Cranston | Rhode Island | National |
| Average Test Scores | 39% | 38% | 48% |
| Student/Teacher ratio | 17:1 | 15:1 | 16:1 |
| Total public schools | 26 | 193 | 79,221 |
| Total private schools | 13 | 114 | 24,874 |
| Total post-secondary schools | 3 | 24 | 7,963 |
| Index | Cranston | Rhode Island | National |
| Completed 8th grade | 86.2% | 83.8% | 84.3% |
| Completed high school | 84.7% | 82.4% | 83.0% |
| Completed some college | 57.9% | 59.3% | 59.4% |
| Completed associate degree | 39.8% | 41.0% | 38.5% |
| Completed bachelors | 30.6% | 32.5% | 30.3% |
| Completed masters | 12.0% | 13.1% | 11.5% |
| Completed professional degree | 3.3% | 3.9% | 3.3% |
| Completed doctorate | 1.2% | 1.8% | 1.3% |
There are a total of 26 public schools, 13 private schools and 3 post-secondary schools in Cranston. Using the proficiency score averages, the average test scores for Cranston, RI schools is 39%. The average student to teacher ratio is 17:1. In Cranston, RI, an average of 86.2% of students have completed 8th grade and an average of 84.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Melville, RI | 1,947 | 62% | 29.2% |
| Clayville, RI | 83 | 62% | 29.2% |
| Chepachet, RI | 1,735 | 57% | 18.8% |
| Greenville, RI | 9,423 | 54% | 13.3% |
| Cumberland Hill, RI | 8,752 | 53% | 10.9% |
| Cranston, RI | 83,148 | 39% | 17.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Deerfield Beach, FL | 83,186 | 43% | 9.8% |
| Silver Spring, MD | 83,266 | 42% | 12.9% |
| Brooklyn Park, MN | 83,324 | 36% | 25.2% |
| Tustin, CA | 82,930 | 43% | 10.6% |
| Farmington Hills, MI | 82,920 | 53% | 9.4% |
| Cranston, RI | 83,148 | 39% | 17.9% |
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