| Index | Marksboro | 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 | Marksboro | New Jersey | National |
| Completed 8th grade | 75.8% | 87.5% | 84.3% |
| Completed high school | 71.0% | 86.3% | 83.0% |
| Completed some college | 51.6% | 60.7% | 59.4% |
| Completed associate degree | 30.6% | 43.9% | 38.5% |
| Completed bachelors | 21.0% | 37.5% | 30.3% |
| Completed masters | 3.2% | 14.4% | 11.5% |
| Completed professional degree | 0.0% | 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 Marksboro. Using the proficiency score averages, the average test scores for Marksboro, NJ schools is n/a. The average student to teacher ratio is n/a. In Marksboro, NJ, an average of 75.8% of students have completed 8th grade and an average of 71.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Chester, NJ | 1,514 | 74% | 53.5% |
| Lake Mohawk, NJ | 9,148 | 70% | 45.8% |
| Long Valley, NJ | 2,327 | 67% | 38.5% |
| Budd Lake, NJ | 10,444 | 66% | 37.8% |
| Great Meadows, NJ | 264 | 66% | 37.0% |
| Marksboro, NJ | 125 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Sharon, OK | 125 | 42% | 12.5% |
| Evergreen, NC | 125 | 27% | 43.8% |
| Kokhanok, AK | 125 | 30% | 37.5% |
| Weott, CA | 124 | 35% | 27.1% |
| Nicolaus, CA | 124 | 40% | 17.7% |
| Marksboro, NJ | 125 | n/a |
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