| Index | Lewis | Colorado | National |
| Average Test Scores | n/a | 39% | 48% |
| Student/Teacher ratio | n/a | 17:1 | 16:1 |
| Total public schools | n/a | 1,426 | 79,221 |
| Total private schools | n/a | 384 | 24,874 |
| Total post-secondary schools | n/a | 138 | 7,963 |
| Index | Lewis | Colorado | National |
| Completed 8th grade | 72.7% | 87.9% | 84.3% |
| Completed high school | 51.8% | 87.1% | 83.0% |
| Completed some college | 46.0% | 69.3% | 59.4% |
| Completed associate degree | 18.7% | 47.1% | 38.5% |
| Completed bachelors | 18.7% | 38.7% | 30.3% |
| Completed masters | 18.7% | 14.3% | 11.5% |
| Completed professional degree | 0.0% | 3.9% | 3.3% |
| Completed doctorate | 0.0% | 1.6% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Lewis. Using the proficiency score averages, the average test scores for Lewis, CO schools is n/a. The average student to teacher ratio is n/a. In Lewis, CO, an average of 72.7% of students have completed 8th grade and an average of 51.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Dolores, CO | 1,017 | 32% | 34.4% |
| Cortez, CO | 8,729 | 30% | 36.7% |
| Lewis, CO | 186 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Spray, OR | 186 | 40% | 16.7% |
| Centerville, MO | 186 | 40% | 16.7% |
| Atlanta, LA | 186 | 55% | 13.5% |
| Markleeville, CA | 187 | 50% | 4.2% |
| Elliston, MT | 185 | 50% | 4.2% |
| Lewis, CO | 186 | n/a |
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