| Index | Caldwell | Ohio | National |
| Average Test Scores | 40% | 61% | 48% |
| Student/Teacher ratio | 17:1 | 17:1 | 16:1 |
| Total public schools | 2 | 3,650 | 79,221 |
| Total private schools | n/a | 1,000 | 24,874 |
| Total post-secondary schools | n/a | 393 | 7,963 |
| Index | Caldwell | Ohio | National |
| Completed 8th grade | 89.8% | 86.9% | 84.3% |
| Completed high school | 88.8% | 85.6% | 83.0% |
| Completed some college | 37.6% | 55.7% | 59.4% |
| Completed associate degree | 23.4% | 35.1% | 38.5% |
| Completed bachelors | 15.7% | 26.7% | 30.3% |
| Completed masters | 8.2% | 10.0% | 11.5% |
| Completed professional degree | 1.1% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Caldwell. Using the proficiency score averages, the average test scores for Caldwell, OH schools is 40%. The average student to teacher ratio is 17:1. In Caldwell, OH, an average of 89.8% of students have completed 8th grade and an average of 88.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lower Salem, OH | 126 | 77% | 60.4% |
| Stockport, OH | 652 | 77% | 60.4% |
| Beverly, OH | 1,520 | 72% | 49.0% |
| Waterford, OH | 543 | 67% | 39.6% |
| Lowell, OH | 538 | 67% | 39.6% |
| Caldwell, OH | 2,243 | 40% | 17.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Ina, IL | 2,243 | 22% | 54.2% |
| Augusta, AR | 2,244 | 26% | 46.4% |
| Lexington, OK | 2,244 | 22% | 53.5% |
| Spring City, TN | 2,242 | 37% | 22.9% |
| Jamestown, KY | 2,242 | 49% | 2.1% |
| Caldwell, OH | 2,243 | 40% | 17.2% |
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