| Index | Mountain Lake | New Jersey | National |
| Average Test Scores | n/a | 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 | Mountain Lake | New Jersey | National |
| Completed 8th grade | 92.4% | 87.5% | 84.3% |
| Completed high school | 91.3% | 86.3% | 83.0% |
| Completed some college | 57.3% | 60.7% | 59.4% |
| Completed associate degree | 30.4% | 43.9% | 38.5% |
| Completed bachelors | 22.3% | 37.5% | 30.3% |
| Completed masters | 12.6% | 14.4% | 11.5% |
| Completed professional degree | 1.3% | 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 Mountain Lake. Using the proficiency score averages, the average test scores for Mountain Lake, NJ schools is n/a. The average student to teacher ratio is n/a. In Mountain Lake, NJ, an average of 92.4% of students have completed 8th grade and an average of 91.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Annandale, NJ | 1,794 | 79% | 63.5% |
| Asbury, NJ | 207 | 70% | 44.8% |
| Califon, NJ | 1,184 | 69% | 43.1% |
| Stewartsville, NJ | 549 | 67% | 39.1% |
| Long Valley, NJ | 2,327 | 67% | 38.5% |
| Mountain Lake, NJ | 565 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Damiansville, IL | 566 | 40% | 16.7% |
| Hustonville, KY | 564 | 50% | 3.6% |
| Dexter, IA | 564 | 65% | 34.4% |
| Pollock, LA | 566 | 81% | 68.8% |
| Peeples Valley, AZ | 566 | 25% | 47.9% |
| Mountain Lake, NJ | 565 | n/a |
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