| Index | Westfield | New Jersey | National |
| Average Test Scores | 76% | 52% | 48% |
| Student/Teacher ratio | 12:1 | 13:1 | 16:1 |
| Total public schools | 13 | 1,604 | 79,221 |
| Total private schools | 7 | 823 | 24,874 |
| Total post-secondary schools | n/a | 157 | 7,963 |
| Index | Westfield | New Jersey | National |
| Completed 8th grade | 97.3% | 87.5% | 84.3% |
| Completed high school | 97.2% | 86.3% | 83.0% |
| Completed some college | 84.1% | 60.7% | 59.4% |
| Completed associate degree | 74.8% | 43.9% | 38.5% |
| Completed bachelors | 70.1% | 37.5% | 30.3% |
| Completed masters | 33.0% | 14.4% | 11.5% |
| Completed professional degree | 12.0% | 4.0% | 3.3% |
| Completed doctorate | 3.4% | 1.5% | 1.3% |
There are a total of 13 public schools, 7 private schools and n/a post-secondary schools in Westfield. Using the proficiency score averages, the average test scores for Westfield, NJ schools is 76%. The average student to teacher ratio is 12:1. In Westfield, NJ, an average of 97.3% of students have completed 8th grade and an average of 97.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Teterboro, NJ | 110 | 95% | 96.9% |
| Essex Fells, NJ | 2,037 | 85% | 76.0% |
| Short Hills, NJ | 13,700 | 83% | 73.8% |
| Summit, NJ | 21,913 | 81% | 69.3% |
| New Providence, NJ | 13,382 | 80% | 66.4% |
| Westfield, NJ | 29,690 | 76% | 59.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Rahway, NJ | 29,691 | 35% | 27.1% |
| Kent, OH | 29,698 | 70% | 46.6% |
| San Carlos, CA | 29,647 | 78% | 62.4% |
| Sanford, NC | 29,758 | 40% | 16.8% |
| Walnut, CA | 29,764 | 70% | 44.9% |
| Westfield, NJ | 29,690 | 76% | 59.3% |
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