| Index | Longmeadow | Massachusetts | National |
| Average Test Scores | 70% | 52% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 6 | 1,167 | 79,221 |
| Total private schools | 5 | 508 | 24,874 |
| Total post-secondary schools | 1 | 193 | 7,963 |

| Index | Longmeadow | Massachusetts | National |
| Completed 8th grade | 93.8% | 88.3% | 84.3% |
| Completed high school | 93.3% | 87.2% | 83.0% |
| Completed some college | 82.7% | 65.0% | 59.4% |
| Completed associate degree | 70.5% | 49.0% | 38.5% |
| Completed bachelors | 64.0% | 41.2% | 30.3% |
| Completed masters | 34.7% | 18.2% | 11.5% |
| Completed professional degree | 13.8% | 5.4% | 3.3% |
| Completed doctorate | 3.4% | 2.6% | 1.3% |
There are a total of 6 public schools, 5 private schools and 1 post-secondary schools in Longmeadow. Using the proficiency score averages, the average test scores for Longmeadow, MA schools is 70%. The average student to teacher ratio is 15:1. In Longmeadow, MA, an average of 93.8% of students have completed 8th grade and an average of 93.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Simsbury Center, CT | 6,499 | 79% | 63.5% |
| West Simsbury, CT | 3,230 | 77% | 60.4% |
| Weatogue, CT | 2,471 | 72% | 49.0% |
| Salmon Brook, CT | 2,401 | 71% | 47.4% |
| Tariffville, CT | 1,859 | 70% | 44.8% |
| Longmeadow, MA | 16,275 | 70% | 46.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Discovery Bay, CA | 16,286 | 54% | 11.5% |
| Rye, NY | 16,251 | 82% | 71.3% |
| Humble, TX | 16,302 | 42% | 12.2% |
| Bellmore, NY | 16,248 | 80% | 67.0% |
| Lady Lake, FL | 16,307 | 70% | 44.8% |
| Longmeadow, MA | 16,275 | 70% | 46.7% |