| Index | Three Lakes | Wisconsin | National |
| Average Test Scores | 46% | 41% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,869 | 79,221 |
| Total private schools | n/a | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |
| Index | Three Lakes | Wisconsin | National |
| Completed 8th grade | 93.5% | 89.0% | 84.3% |
| Completed high school | 93.5% | 87.8% | 83.0% |
| Completed some college | 65.6% | 59.7% | 59.4% |
| Completed associate degree | 38.9% | 38.7% | 38.5% |
| Completed bachelors | 35.2% | 28.4% | 30.3% |
| Completed masters | 15.0% | 9.6% | 11.5% |
| Completed professional degree | 3.5% | 2.7% | 3.3% |
| Completed doctorate | 2.2% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Three Lakes. Using the proficiency score averages, the average test scores for Three Lakes, WI schools is 46%. The average student to teacher ratio is n/a. In Three Lakes, WI, an average of 93.5% of students have completed 8th grade and an average of 93.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Eagle River, WI | 1,643 | 37% | 23.1% |
| Rhinelander, WI | 7,552 | 35% | 27.1% |
| Three Lakes, WI | 466 | 46% | 5.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Galva, IA | 466 | 80% | 65.2% |
| Rudolph, WI | 466 | 47% | 2.3% |
| Lone Wolf, OK | 466 | 20% | 58.4% |
| Inchelium, WA | 466 | 33% | 30.7% |
| Franklin, IL | 466 | 30% | 38.7% |
| Three Lakes, WI | 466 | 46% | 5.4% |
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