| Index | North Plainfield | New Jersey | National |
| Average Test Scores | 31% | 52% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 1,604 | 79,221 |
| Total private schools | 4 | 823 | 24,874 |
| Total post-secondary schools | 1 | 157 | 7,963 |
| Index | North Plainfield | New Jersey | National |
| Completed 8th grade | 83.2% | 87.5% | 84.3% |
| Completed high school | 81.3% | 86.3% | 83.0% |
| Completed some college | 51.1% | 60.7% | 59.4% |
| Completed associate degree | 31.0% | 43.9% | 38.5% |
| Completed bachelors | 24.1% | 37.5% | 30.3% |
| Completed masters | 8.1% | 14.4% | 11.5% |
| Completed professional degree | 1.8% | 4.0% | 3.3% |
| Completed doctorate | 1.1% | 1.5% | 1.3% |
There are a total of n/a public schools, 4 private schools and 1 post-secondary schools in North Plainfield. Using the proficiency score averages, the average test scores for North Plainfield, NJ schools is 31%. The average student to teacher ratio is n/a. In North Plainfield, NJ, an average of 83.2% of students have completed 8th grade and an average of 81.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Essex Fells, NJ | 2,037 | 85% | 76.0% |
| Short Hills, NJ | 13,700 | 83% | 73.8% |
| Summit, NJ | 21,913 | 81% | 69.3% |
| Bradley Gardens, NJ | 14,714 | 81% | 68.2% |
| New Providence, NJ | 13,382 | 80% | 66.4% |
| North Plainfield, NJ | 21,445 | 31% | 35.2% |
| City | Population | Avg. Test Scores | National Avg. |
| South Euclid, OH | 21,449 | 59% | 22.2% |
| South Holland, IL | 21,451 | 17% | 64.5% |
| North Bellmore, NY | 21,422 | 57% | 18.8% |
| Portsmouth, NH | 21,418 | 75% | 55.8% |
| Mukilteo, WA | 21,414 | 69% | 43.6% |
| North Plainfield, NJ | 21,445 | 31% | 35.2% |
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