| Index | Lake City | Tennessee | National |
| Average Test Scores | 29% | 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 | Lake City | Tennessee | National |
| Completed 8th grade | 65.9% | 82.0% | 84.3% |
| Completed high school | 57.6% | 79.9% | 83.0% |
| Completed some college | 21.8% | 53.2% | 59.4% |
| Completed associate degree | 7.1% | 32.2% | 38.5% |
| Completed bachelors | 3.1% | 25.4% | 30.3% |
| Completed masters | 0.8% | 9.3% | 11.5% |
| Completed professional degree | 0.3% | 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 Lake City. Using the proficiency score averages, the average test scores for Lake City, TN schools is 29%. The average student to teacher ratio is n/a. In Lake City, TN, an average of 65.9% of students have completed 8th grade and an average of 57.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Andersonville, TN | 427 | 50% | 3.1% |
| Norris, TN | 1,659 | 42% | 12.5% |
| Oak Ridge, TN | 29,124 | 38% | 19.9% |
| Clinton, TN | 10,006 | 36% | 24.1% |
| Jacksboro, TN | 2,444 | 36% | 26.0% |
| Lake City, TN | 1,848 | 29% | 40.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Idaho Springs, CO | 1,848 | 25% | 49.0% |
| Seeley, CA | 1,847 | 28% | 41.7% |
| Stanton, NE | 1,847 | 53% | 10.9% |
| Ridgeville, SC | 1,849 | 45% | 7.3% |
| Roberts, WI | 1,849 | 56% | 15.6% |
| Lake City, TN | 1,848 | 29% | 40.1% |
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