| 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 |


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| 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 | 28,466 | 70% | 46.4% |
| Kingsville, MD | 4,776 | 70% | 44.8% |
| Fallston, MD | 9,449 | 68% | 41.7% |
| Lutherville, MD | 6,961 | 67% | 39.2% |
| Ellicott City, MD | 75,837 | 66% | 37.5% |
| Timonium, MD | 11,051 | 65% | 36.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Highland Park, MI | 11,056 | 18% | 63.3% |
| Taylorville, IL | 11,059 | 32% | 34.4% |
| Newport, OR | 11,066 | 43% | 10.9% |
| East Liverpool, OH | 11,032 | 53% | 10.0% |
| Comstock Park, MI | 11,032 | 40% | 16.7% |
| Timonium, MD | 11,051 | 65% | 36.3% |