| Index | Mountain Lakes | New Jersey | National |
| Average Test Scores | 83% | 52% | 48% |
| Student/Teacher ratio | 10:1 | 13:1 | 16:1 |
| Total public schools | 4 | 1,604 | 79,221 |
| Total private schools | 3 | 823 | 24,874 |
| Total post-secondary schools | n/a | 157 | 7,963 |
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| Index | Mountain Lakes | New Jersey | National |
| Completed 8th grade | 98.3% | 87.5% | 84.3% |
| Completed high school | 98.3% | 86.3% | 83.0% |
| Completed some college | 94.3% | 60.7% | 59.4% |
| Completed associate degree | 89.9% | 43.9% | 38.5% |
| Completed bachelors | 87.3% | 37.5% | 30.3% |
| Completed masters | 51.9% | 14.4% | 11.5% |
| Completed professional degree | 20.2% | 4.0% | 3.3% |
| Completed doctorate | 4.8% | 1.5% | 1.3% |
There are a total of 4 public schools, 3 private schools and n/a post-secondary schools in Mountain Lakes. Using the proficiency score averages, the average test scores for Mountain Lakes, NJ schools is 83%. The average student to teacher ratio is 10:1. In Mountain Lakes, NJ, an average of 98.3% of students have completed 8th grade and an average of 98.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Essex Fells, NJ | 2,037 | 85% | 76.0% |
| Short Hills, NJ | 13,700 | 83% | 73.8% |
| Singac, NJ | 4,054 | 82% | 70.8% |
| Summit, NJ | 21,913 | 81% | 69.3% |
| New Providence, NJ | 13,382 | 80% | 66.4% |
| Mountain Lakes, NJ | 4,249 | 83% | 72.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Chatsworth, GA | 4,247 | 38% | 20.3% |
| Thiells, NY | 4,247 | 53% | 10.9% |
| Hokes Bluff, AL | 4,253 | 45% | 7.3% |
| Mount Pleasant, PA | 4,255 | 55% | 14.1% |
| Taylor, AZ | 4,255 | 56% | 16.7% |
| Mountain Lakes, NJ | 4,249 | 83% | 72.7% |
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