| Index | Elwood | New Jersey | National |
| Average Test Scores | 51% | 52% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 1,604 | 79,221 |
| Total private schools | n/a | 823 | 24,874 |
| Total post-secondary schools | n/a | 157 | 7,963 |
| Index | Elwood | New Jersey | National |
| Completed 8th grade | 62.3% | 87.5% | 84.3% |
| Completed high school | 52.6% | 86.3% | 83.0% |
| Completed some college | 28.3% | 60.7% | 59.4% |
| Completed associate degree | 17.7% | 43.9% | 38.5% |
| Completed bachelors | 10.4% | 37.5% | 30.3% |
| Completed masters | 0.8% | 14.4% | 11.5% |
| Completed professional degree | 0.0% | 4.0% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Elwood. Using the proficiency score averages, the average test scores for Elwood, NJ schools is 51%. The average student to teacher ratio is n/a. In Elwood, NJ, an average of 62.3% of students have completed 8th grade and an average of 52.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Barclay, NJ | 4,044 | 80% | 65.6% |
| Port Republic, NJ | 1,127 | 70% | 44.8% |
| Williamstown, NJ | 14,161 | 55% | 13.9% |
| Northfield, NJ | 8,088 | 53% | 10.9% |
| Estell Manor, NJ | 1,682 | 50% | 3.1% |
| Elwood, NJ | 1,226 | 51% | 5.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Somerville, TX | 1,226 | 27% | 43.8% |
| Muscoda, WI | 1,226 | 35% | 26.4% |
| Archie, MO | 1,225 | 50% | 3.1% |
| Rosedale, LA | 1,225 | 70% | 44.8% |
| Chinook, MT | 1,225 | 37% | 24.0% |
| Elwood, NJ | 1,226 | 51% | 5.7% |
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