| Index | Cowan | Tennessee | National |
| Average Test Scores | 27% | 35% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 2 | 1,390 | 79,221 |
| Total private schools | n/a | 430 | 24,874 |
| Total post-secondary schools | n/a | 189 | 7,963 |
| Index | Cowan | Tennessee | National |
| Completed 8th grade | 69.4% | 82.0% | 84.3% |
| Completed high school | 61.7% | 79.9% | 83.0% |
| Completed some college | 32.5% | 53.2% | 59.4% |
| Completed associate degree | 14.7% | 32.2% | 38.5% |
| Completed bachelors | 9.3% | 25.4% | 30.3% |
| Completed masters | 1.7% | 9.3% | 11.5% |
| Completed professional degree | 0.7% | 2.8% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Cowan. Using the proficiency score averages, the average test scores for Cowan, TN schools is 27%. The average student to teacher ratio is n/a. In Cowan, TN, an average of 69.4% of students have completed 8th grade and an average of 61.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sewanee, TN | 2,728 | 57% | 18.8% |
| Estill Springs, TN | 2,144 | 32% | 33.3% |
| Winchester, TN | 9,014 | 32% | 34.1% |
| Tullahoma, TN | 20,737 | 30% | 37.6% |
| Huntland, TN | 1,095 | 29% | 39.6% |
| Cowan, TN | 1,529 | 27% | 44.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Durand, IL | 1,529 | 30% | 36.7% |
| Castleton-on-Hudson, NY | 1,529 | 54% | 12.5% |
| Crane, MO | 1,528 | 31% | 35.9% |
| Hinckley, MN | 1,530 | 34% | 29.2% |
| Colma, CA | 1,528 | 38% | 20.8% |
| Cowan, TN | 1,529 | 27% | 44.3% |
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