| Index | Harrison | Tennessee | National |
| Average Test Scores | 25% | 35% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 3 | 1,390 | 79,221 |
| Total private schools | n/a | 430 | 24,874 |
| Total post-secondary schools | n/a | 189 | 7,963 |
| Index | Harrison | Tennessee | National |
| Completed 8th grade | 87.9% | 82.0% | 84.3% |
| Completed high school | 86.5% | 79.9% | 83.0% |
| Completed some college | 55.0% | 53.2% | 59.4% |
| Completed associate degree | 28.1% | 32.2% | 38.5% |
| Completed bachelors | 21.7% | 25.4% | 30.3% |
| Completed masters | 9.9% | 9.3% | 11.5% |
| Completed professional degree | 2.6% | 2.8% | 3.3% |
| Completed doctorate | 1.9% | 1.2% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Harrison. Using the proficiency score averages, the average test scores for Harrison, TN schools is 25%. The average student to teacher ratio is n/a. In Harrison, TN, an average of 87.9% of students have completed 8th grade and an average of 86.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lookout Mountain, GA | 1,629 | 85% | 76.0% |
| Lookout Mountain, TN | 2,013 | 80% | 65.6% |
| Signal Mountain, TN | 8,574 | 73% | 52.1% |
| Apison, TN | 4,220 | 69% | 43.8% |
| Cohutta, GA | 700 | 65% | 34.4% |
| Harrison, TN | 8,485 | 25% | 49.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Glastonbury Center, CT | 8,483 | 67% | 39.6% |
| Conover, NC | 8,488 | 44% | 7.5% |
| Harrodsburg, KY | 8,480 | 49% | 1.7% |
| Richboro, PA | 8,480 | 81% | 68.8% |
| Clinton, NC | 8,480 | 46% | 4.4% |
| Harrison, TN | 8,485 | 25% | 49.0% |
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