| Index | Crestline | Ohio | National |
| Average Test Scores | 63% | 61% | 48% |
| Student/Teacher ratio | 18:1 | 17:1 | 16:1 |
| Total public schools | 4 | 3,650 | 79,221 |
| Total private schools | 1 | 1,000 | 24,874 |
| Total post-secondary schools | n/a | 393 | 7,963 |
| Index | Crestline | Ohio | National |
| Completed 8th grade | 80.6% | 86.9% | 84.3% |
| Completed high school | 79.6% | 85.6% | 83.0% |
| Completed some college | 37.8% | 55.7% | 59.4% |
| Completed associate degree | 20.8% | 35.1% | 38.5% |
| Completed bachelors | 10.5% | 26.7% | 30.3% |
| Completed masters | 2.6% | 10.0% | 11.5% |
| Completed professional degree | 0.5% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 4 public schools, 1 private schools and n/a post-secondary schools in Crestline. Using the proficiency score averages, the average test scores for Crestline, OH schools is 63%. The average student to teacher ratio is 18:1. In Crestline, OH, an average of 80.6% of students have completed 8th grade and an average of 79.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lexington, OH | 4,937 | 81% | 68.5% |
| New Washington, OH | 1,000 | 79% | 64.2% |
| Caledonia, OH | 665 | 73% | 51.7% |
| Ontario, OH | 6,094 | 71% | 46.9% |
| Shelby, OH | 8,282 | 70% | 45.6% |
| Crestline, OH | 4,408 | 63% | 30.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Larksville, PA | 4,408 | 34% | 29.2% |
| Pinetop-Lakeside, AZ | 4,409 | 41% | 13.8% |
| Running Springs, CA | 4,410 | 37% | 22.9% |
| California, MO | 4,411 | 51% | 5.2% |
| Dundee, MI | 4,405 | 52% | 8.9% |
| Crestline, OH | 4,408 | 63% | 30.2% |
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