| Index | Greentree | New Jersey | National |
| Average Test Scores | 75% | 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 | Greentree | New Jersey | National |
| Completed 8th grade | 95.7% | 87.5% | 84.3% |
| Completed high school | 95.5% | 86.3% | 83.0% |
| Completed some college | 84.7% | 60.7% | 59.4% |
| Completed associate degree | 72.7% | 43.9% | 38.5% |
| Completed bachelors | 66.5% | 37.5% | 30.3% |
| Completed masters | 30.1% | 14.4% | 11.5% |
| Completed professional degree | 11.2% | 4.0% | 3.3% |
| Completed doctorate | 3.6% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Greentree. Using the proficiency score averages, the average test scores for Greentree, NJ schools is 75%. The average student to teacher ratio is n/a. In Greentree, NJ, an average of 95.7% of students have completed 8th grade and an average of 95.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Moorestown-Lenola, NJ | 14,327 | 77% | 60.4% |
| Flourtown, PA | 4,665 | 75% | 55.7% |
| Haddonfield, NJ | 11,585 | 70% | 45.7% |
| Riverton, NJ | 2,753 | 70% | 44.8% |
| Oreland, PA | 5,993 | 69% | 43.8% |
| Greentree, NJ | 10,927 | 75% | 55.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Cordele, GA | 10,933 | 30% | 38.5% |
| Ogdensburg, NY | 10,940 | 45% | 6.6% |
| West Point, MS | 10,912 | 34% | 28.8% |
| Alpine, UT | 10,905 | 61% | 27.1% |
| Roscoe, IL | 10,953 | 56% | 17.0% |
| Greentree, NJ | 10,927 | 75% | 55.7% |
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