| Index | Carney | Maryland | National |
| Average Test Scores | n/a | 40% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 1,163 | 79,221 |
| Total private schools | n/a | 674 | 24,874 |
| Total post-secondary schools | n/a | 112 | 7,963 |
| Index | Carney | Maryland | National |
| Completed 8th grade | 91.5% | 87.5% | 84.3% |
| Completed high school | 89.7% | 86.5% | 83.0% |
| Completed some college | 65.0% | 64.2% | 59.4% |
| Completed associate degree | 42.9% | 44.8% | 38.5% |
| Completed bachelors | 34.7% | 38.4% | 30.3% |
| Completed masters | 14.5% | 17.7% | 11.5% |
| Completed professional degree | 2.6% | 5.5% | 3.3% |
| Completed doctorate | 1.3% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Carney. Using the proficiency score averages, the average test scores for Carney, MD schools is n/a. The average student to teacher ratio is n/a. In Carney, MD, an average of 91.5% of students have completed 8th grade and an average of 89.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Perry Hall, MD | 27,778 | 70% | 46.4% |
| Kingsville, MD | 4,649 | 70% | 44.8% |
| Fallston, MD | 9,118 | 68% | 41.7% |
| Lutherville, MD | 6,715 | 67% | 39.2% |
| Ellicott City, MD | 73,272 | 66% | 37.5% |
| Carney, MD | 29,624 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| San Carlos, CA | 29,647 | 78% | 62.4% |
| Chicago Heights, IL | 29,598 | 23% | 52.6% |
| Highland Park, IL | 29,596 | 57% | 18.6% |
| Westfield, NJ | 29,690 | 76% | 59.3% |
| Rahway, NJ | 29,691 | 35% | 27.1% |
| Carney, MD | 29,624 | n/a |
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