| Index | Carlstadt | New Jersey | National |
| Average Test Scores | 50% | 52% | 48% |
| Student/Teacher ratio | 17:1 | 13:1 | 16:1 |
| Total public schools | 3 | 1,604 | 79,221 |
| Total private schools | n/a | 823 | 24,874 |
| Total post-secondary schools | n/a | 157 | 7,963 |
| Index | Carlstadt | New Jersey | National |
| Completed 8th grade | 88.8% | 87.5% | 84.3% |
| Completed high school | 87.9% | 86.3% | 83.0% |
| Completed some college | 61.1% | 60.7% | 59.4% |
| Completed associate degree | 43.7% | 43.9% | 38.5% |
| Completed bachelors | 37.8% | 37.5% | 30.3% |
| Completed masters | 13.5% | 14.4% | 11.5% |
| Completed professional degree | 2.7% | 4.0% | 3.3% |
| Completed doctorate | 0.4% | 1.5% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Carlstadt. Using the proficiency score averages, the average test scores for Carlstadt, NJ schools is 50%. The average student to teacher ratio is 17:1. In Carlstadt, NJ, an average of 88.8% of students have completed 8th grade and an average of 87.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Teterboro, NJ | 110 | 95% | 96.9% |
| Bronxville, NY | 6,450 | 88% | 82.3% |
| Scarsdale, NY | 17,890 | 87% | 81.8% |
| Alpine, NJ | 1,459 | 87% | 81.3% |
| Englewood Cliffs, NJ | 5,349 | 87% | 80.2% |
| Carlstadt, NJ | 6,158 | 50% | 3.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Orange City, IA | 6,158 | 87% | 81.8% |
| Glenarden, MD | 6,158 | 16% | 66.7% |
| Larchmont, NY | 6,159 | 76% | 57.3% |
| Gun Barrel City, TX | 6,160 | 67% | 39.6% |
| Oyster Bay, NY | 6,160 | 76% | 58.3% |
| Carlstadt, NJ | 6,158 | 50% | 3.1% |
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