| Index | Timonium | Maryland | National |
| Average Test Scores | 65% | 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 | Timonium | Maryland | National |
| Completed 8th grade | 95.2% | 87.5% | 84.3% |
| Completed high school | 94.2% | 86.5% | 83.0% |
| Completed some college | 76.7% | 64.2% | 59.4% |
| Completed associate degree | 59.6% | 44.8% | 38.5% |
| Completed bachelors | 51.6% | 38.4% | 30.3% |
| Completed masters | 23.7% | 17.7% | 11.5% |
| Completed professional degree | 9.0% | 5.5% | 3.3% |
| Completed doctorate | 3.1% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Timonium. Using the proficiency score averages, the average test scores for Timonium, MD schools is 65%. The average student to teacher ratio is n/a. In Timonium, MD, an average of 95.2% of students have completed 8th grade and an average of 94.2% 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% |
| Timonium, MD | 10,642 | 65% | 36.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Corning, NY | 10,642 | 56% | 16.0% |
| Lansdowne, PA | 10,637 | 36% | 26.0% |
| Millington, TN | 10,650 | 28% | 41.7% |
| East Liverpool, OH | 10,632 | 53% | 10.0% |
| Roscoe, IL | 10,632 | 56% | 17.0% |
| Timonium, MD | 10,642 | 65% | 36.3% |
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