| Index | New Carrollton | Maryland | National |
| Average Test Scores | 22% | 40% | 48% |
| Student/Teacher ratio | 22:1 | 16:1 | 16:1 |
| Total public schools | 5 | 1,163 | 79,221 |
| Total private schools | n/a | 674 | 24,874 |
| Total post-secondary schools | 1 | 112 | 7,963 |
| Index | New Carrollton | Maryland | National |
| Completed 8th grade | 80.8% | 87.5% | 84.3% |
| Completed high school | 80.0% | 86.5% | 83.0% |
| Completed some college | 56.8% | 64.2% | 59.4% |
| Completed associate degree | 30.5% | 44.8% | 38.5% |
| Completed bachelors | 24.6% | 38.4% | 30.3% |
| Completed masters | 8.0% | 17.7% | 11.5% |
| Completed professional degree | 1.8% | 5.5% | 3.3% |
| Completed doctorate | 0.9% | 2.5% | 1.3% |
There are a total of 5 public schools, n/a private schools and 1 post-secondary schools in New Carrollton. Using the proficiency score averages, the average test scores for New Carrollton, MD schools is 22%. The average student to teacher ratio is 22:1. In New Carrollton, MD, an average of 80.8% of students have completed 8th grade and an average of 80.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Rose Hill, VA | 21,846 | 85% | 76.0% |
| Arlington, VA | 236,434 | 83% | 72.5% |
| Bethesda, MD | 65,092 | 77% | 60.6% |
| Alexandria, VA | 158,309 | 72% | 49.0% |
| Chevy Chase, MD | 2,979 | 69% | 43.0% |
| New Carrollton, MD | 12,925 | 22% | 53.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Ridgefield Park, NJ | 12,928 | 48% | 0.8% |
| Portland, TN | 12,928 | 42% | 12.4% |
| Davidson, NC | 12,920 | 68% | 42.2% |
| Marshall, MO | 12,920 | 35% | 28.1% |
| Lexington Park, MD | 12,934 | 46% | 3.5% |
| New Carrollton, MD | 12,925 | 22% | 53.3% |
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