| Index | Petros | 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 | Petros | Tennessee | National |
| Completed 8th grade | 81.9% | 82.0% | 84.3% |
| Completed high school | 69.9% | 79.9% | 83.0% |
| Completed some college | 27.4% | 53.2% | 59.4% |
| Completed associate degree | 12.2% | 32.2% | 38.5% |
| Completed bachelors | 1.6% | 25.4% | 30.3% |
| Completed masters | 0.0% | 9.3% | 11.5% |
| Completed professional degree | 0.0% | 2.8% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Petros. Using the proficiency score averages, the average test scores for Petros, TN schools is n/a. The average student to teacher ratio is n/a. In Petros, TN, an average of 81.9% of students have completed 8th grade and an average of 69.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Oak Ridge, TN | 29,124 | 38% | 19.9% |
| Harriman, TN | 6,144 | 34% | 29.2% |
| Oliver Springs, TN | 3,918 | 28% | 42.7% |
| Coalfield, TN | 2,861 | 21% | 56.3% |
| Oakdale, TN | 241 | 21% | 57.3% |
| Petros, TN | 526 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Gaston, OR | 526 | 50% | 3.1% |
| Fox River, AK | 526 | 18% | 63.5% |
| Smyer, TX | 526 | 37% | 22.9% |
| Rolla, KS | 527 | 28% | 42.7% |
| Mecosta, MI | 527 | 45% | 7.3% |
| Petros, TN | 526 | n/a |
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