| Index | Tennant | Iowa | National |
| Average Test Scores | n/a | 69% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 1,101 | 79,221 |
| Total private schools | n/a | 208 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Tennant | Iowa | National |
| Completed 8th grade | 92.9% | 89.2% | 84.3% |
| Completed high school | 91.1% | 87.7% | 83.0% |
| Completed some college | 42.9% | 59.8% | 59.4% |
| Completed associate degree | 25.0% | 38.4% | 38.5% |
| Completed bachelors | 17.9% | 27.2% | 30.3% |
| Completed masters | 0.0% | 8.7% | 11.5% |
| Completed professional degree | 0.0% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Tennant. Using the proficiency score averages, the average test scores for Tennant, IA schools is n/a. The average student to teacher ratio is n/a. In Tennant, IA, an average of 92.9% of students have completed 8th grade and an average of 91.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Underwood, IA | 986 | 83% | 72.9% |
| Harlan, IA | 4,917 | 81% | 68.1% |
| Irwin, IA | 336 | 80% | 66.7% |
| Woodbine, IA | 1,419 | 78% | 63.0% |
| Avoca, IA | 1,413 | 77% | 61.1% |
| Tennant, IA | 78 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Harrisburg, NE | 78 | 48% | 1.0% |
| Dunning, NE | 78 | 50% | 4.2% |
| Branson, CO | 78 | 30% | 38.0% |
| Washington, VA | 79 | 84% | 74.5% |
| Port Alexander, AK | 77 | 50% | 4.2% |
| Tennant, IA | 78 | n/a |
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