| Index | Mount Arlington | New Jersey | National |
| Average Test Scores | 66% | 52% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 1,604 | 79,221 |
| Total private schools | 1 | 823 | 24,874 |
| Total post-secondary schools | n/a | 157 | 7,963 |
| Index | Mount Arlington | New Jersey | National |
| Completed 8th grade | 95.2% | 87.5% | 84.3% |
| Completed high school | 95.2% | 86.3% | 83.0% |
| Completed some college | 66.5% | 60.7% | 59.4% |
| Completed associate degree | 47.0% | 43.9% | 38.5% |
| Completed bachelors | 40.2% | 37.5% | 30.3% |
| Completed masters | 16.5% | 14.4% | 11.5% |
| Completed professional degree | 1.5% | 4.0% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of n/a public schools, 1 private schools and n/a post-secondary schools in Mount Arlington. Using the proficiency score averages, the average test scores for Mount Arlington, NJ schools is 66%. The average student to teacher ratio is n/a. In Mount Arlington, NJ, an average of 95.2% of students have completed 8th grade and an average of 95.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mountain Lakes, NJ | 4,249 | 83% | 72.7% |
| Summit, NJ | 21,913 | 81% | 69.3% |
| Chatham, NJ | 8,729 | 79% | 64.9% |
| Mendham, NJ | 4,880 | 79% | 63.5% |
| Florham Park, NJ | 11,719 | 74% | 53.6% |
| Mount Arlington, NJ | 5,751 | 66% | 36.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Yarmouth, ME | 5,752 | 74% | 53.5% |
| Angier, NC | 5,748 | 33% | 31.3% |
| Gustine, CA | 5,748 | 33% | 30.5% |
| Washingtonville, NY | 5,754 | 54% | 12.5% |
| Punxsutawney, PA | 5,747 | 52% | 7.3% |
| Mount Arlington, NJ | 5,751 | 66% | 36.5% |
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