| Index | Elwood | New York | National |
| Average Test Scores | 79% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 3 | 4,060 | 79,221 |
| Total private schools | n/a | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Elwood | New York | National |
| Completed 8th grade | 91.8% | 83.5% | 84.3% |
| Completed high school | 91.4% | 82.1% | 83.0% |
| Completed some college | 70.5% | 59.5% | 59.4% |
| Completed associate degree | 54.5% | 43.4% | 38.5% |
| Completed bachelors | 45.4% | 34.7% | 30.3% |
| Completed masters | 16.6% | 15.1% | 11.5% |
| Completed professional degree | 4.2% | 4.2% | 3.3% |
| Completed doctorate | 1.3% | 1.5% | 1.3% |
There are a total of 3 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, NY schools is 79%. The average student to teacher ratio is n/a. In Elwood, NY, an average of 91.8% of students have completed 8th grade and an average of 91.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Old Westbury, NY | 4,618 | 91% | 88.5% |
| Jericho, NY | 13,928 | 90% | 87.1% |
| Old Bethpage, NY | 5,450 | 90% | 86.5% |
| Glen Head, NY | 4,843 | 89% | 85.7% |
| Cold Spring Harbor, NY | 2,864 | 87% | 81.3% |
| Elwood, NY | 11,582 | 79% | 63.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Clayton, CA | 11,585 | 63% | 31.8% |
| Bridgeton, MO | 11,577 | 47% | 3.1% |
| Accokeek, MD | 11,590 | 45% | 7.3% |
| Cedarburg, WI | 11,592 | 68% | 40.8% |
| Seven Hills, OH | 11,597 | 76% | 58.3% |
| Elwood, NY | 11,582 | 79% | 63.5% |
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