| Index | Long Valley | New Jersey | National |
| Average Test Scores | 67% | 52% | 48% |
| Student/Teacher ratio | 16:1 | 13:1 | 16:1 |
| Total public schools | 5 | 1,604 | 79,221 |
| Total private schools | 1 | 823 | 24,874 |
| Total post-secondary schools | n/a | 157 | 7,963 |
| Index | Long Valley | New Jersey | National |
| Completed 8th grade | 86.7% | 87.5% | 84.3% |
| Completed high school | 86.7% | 86.3% | 83.0% |
| Completed some college | 71.9% | 60.7% | 59.4% |
| Completed associate degree | 49.2% | 43.9% | 38.5% |
| Completed bachelors | 41.7% | 37.5% | 30.3% |
| Completed masters | 13.4% | 14.4% | 11.5% |
| Completed professional degree | 1.9% | 4.0% | 3.3% |
| Completed doctorate | 0.6% | 1.5% | 1.3% |
There are a total of 5 public schools, 1 private schools and n/a post-secondary schools in Long Valley. Using the proficiency score averages, the average test scores for Long Valley, NJ schools is 67%. The average student to teacher ratio is 16:1. In Long Valley, NJ, an average of 86.7% of students have completed 8th grade and an average of 86.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Bradley Gardens, NJ | 14,714 | 81% | 68.2% |
| Mendham, NJ | 4,880 | 79% | 63.5% |
| Annandale, NJ | 1,794 | 79% | 63.5% |
| Martinsville, NJ | 11,384 | 75% | 56.8% |
| Chester, NJ | 1,514 | 74% | 53.5% |
| Long Valley, NJ | 2,327 | 67% | 38.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Sylvania, GA | 2,327 | 41% | 14.6% |
| Rangely, CO | 2,326 | 31% | 35.9% |
| Sneads Ferry, NC | 2,326 | 42% | 12.5% |
| Stevenson, AL | 2,326 | 40% | 16.0% |
| Graysville, AL | 2,328 | 42% | 12.5% |
| Long Valley, NJ | 2,327 | 67% | 38.5% |
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