| Index | Chelsea | Massachusetts | National |
| Average Test Scores | 37% | 52% | 48% |
| Student/Teacher ratio | 11:1 | 14:1 | 16:1 |
| Total public schools | 9 | 1,167 | 79,221 |
| Total private schools | 1 | 508 | 24,874 |
| Total post-secondary schools | 2 | 193 | 7,963 |


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| Index | Chelsea | Massachusetts | National |
| Completed 8th grade | 65.4% | 88.3% | 84.3% |
| Completed high school | 62.7% | 87.2% | 83.0% |
| Completed some college | 34.5% | 65.0% | 59.4% |
| Completed associate degree | 21.6% | 49.0% | 38.5% |
| Completed bachelors | 17.5% | 41.2% | 30.3% |
| Completed masters | 7.1% | 18.2% | 11.5% |
| Completed professional degree | 2.3% | 5.4% | 3.3% |
| Completed doctorate | 1.0% | 2.6% | 1.3% |
There are a total of 9 public schools, 1 private schools and 2 post-secondary schools in Chelsea. Using the proficiency score averages, the average test scores for Chelsea, MA schools is 37%. The average student to teacher ratio is 11:1. In Chelsea, MA, an average of 65.4% of students have completed 8th grade and an average of 62.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Dover, MA | 2,518 | 85% | 77.4% |
| Belmont, MA | 26,158 | 84% | 74.0% |
| Winchester, MA | 22,760 | 81% | 69.3% |
| Wellesley, MA | 28,747 | 80% | 66.0% |
| Hingham, MA | 5,837 | 79% | 65.5% |
| Chelsea, MA | 39,878 | 37% | 23.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Friendswood, TX | 39,893 | 64% | 32.5% |
| The Acreage, FL | 39,863 | 71% | 46.9% |
| Marion, IA | 39,910 | 77% | 59.8% |
| Calexico, CA | 39,841 | 26% | 46.2% |
| Streamwood, IL | 39,917 | 26% | 46.6% |
| Chelsea, MA | 39,878 | 37% | 23.6% |