| Index | Lake Tansi | Tennessee | National |
| Average Test Scores | n/a | 35% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | n/a | 1,390 | 79,221 |
| Total private schools | n/a | 430 | 24,874 |
| Total post-secondary schools | n/a | 189 | 7,963 |

| Index | Lake Tansi | Tennessee | National |
| Completed 8th grade | 78.9% | 82.0% | 84.3% |
| Completed high school | 77.0% | 79.9% | 83.0% |
| Completed some college | 47.4% | 53.2% | 59.4% |
| Completed associate degree | 25.3% | 32.2% | 38.5% |
| Completed bachelors | 16.5% | 25.4% | 30.3% |
| Completed masters | 6.1% | 9.3% | 11.5% |
| Completed professional degree | 1.5% | 2.8% | 3.3% |
| Completed doctorate | 0.6% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Lake Tansi. Using the proficiency score averages, the average test scores for Lake Tansi, TN schools is n/a. The average student to teacher ratio is n/a. In Lake Tansi, TN, an average of 78.9% of students have completed 8th grade and an average of 77.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Crossville, TN | 12,131 | 40% | 17.6% |
| Spring City, TN | 2,316 | 37% | 22.9% |
| Pleasant Hill, TN | 628 | 33% | 31.3% |
| Crab Orchard, TN | 973 | 33% | 32.3% |
| Lake Tansi, TN | 4,807 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Soldotna, AK | 4,806 | 43% | 10.0% |
| Christiana, TN | 4,808 | 46% | 3.6% |
| Lemoyne, PA | 4,808 | 46% | 4.2% |
| Granite Falls, NC | 4,805 | 38% | 20.0% |
| Edenton, NC | 4,804 | 38% | 21.9% |
| Lake Tansi, TN | 4,807 | n/a |