| Index | Green Knoll | New Jersey | National |
| Average Test Scores | 68% | 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 | Green Knoll | New Jersey | National |
| Completed 8th grade | 93.1% | 87.5% | 84.3% |
| Completed high school | 92.2% | 86.3% | 83.0% |
| Completed some college | 77.8% | 60.7% | 59.4% |
| Completed associate degree | 64.6% | 43.9% | 38.5% |
| Completed bachelors | 58.2% | 37.5% | 30.3% |
| Completed masters | 27.0% | 14.4% | 11.5% |
| Completed professional degree | 8.6% | 4.0% | 3.3% |
| Completed doctorate | 5.2% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Green Knoll. Using the proficiency score averages, the average test scores for Green Knoll, NJ schools is 68%. The average student to teacher ratio is n/a. In Green Knoll, NJ, an average of 93.1% of students have completed 8th grade and an average of 92.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Summit, NJ | 21,913 | 81% | 69.3% |
| Bradley Gardens, NJ | 14,714 | 81% | 68.2% |
| New Providence, NJ | 13,382 | 80% | 66.4% |
| Chatham, NJ | 8,729 | 79% | 64.9% |
| Annandale, NJ | 1,794 | 79% | 63.5% |
| Green Knoll, NJ | 6,442 | 68% | 41.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Carthage, TX | 6,442 | 48% | 0.2% |
| Cheverly, MD | 6,439 | 27% | 43.8% |
| Sealy, TX | 6,439 | 43% | 11.5% |
| Rittman, OH | 6,439 | 65% | 34.9% |
| Bronxville, NY | 6,450 | 88% | 82.3% |
| Green Knoll, NJ | 6,442 | 68% | 41.0% |
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