| Index | Lake Sumner | New Mexico | National |
| Average Test Scores | n/a | 27% | 48% |
| Student/Teacher ratio | n/a | 15:1 | 16:1 |
| Total public schools | n/a | 667 | 79,221 |
| Total private schools | n/a | 163 | 24,874 |
| Total post-secondary schools | n/a | 55 | 7,963 |
| Index | Lake Sumner | New Mexico | National |
| Completed 8th grade | 96.3% | 81.4% | 84.3% |
| Completed high school | 96.3% | 80.0% | 83.0% |
| Completed some college | 53.8% | 58.2% | 59.4% |
| Completed associate degree | 22.5% | 34.7% | 38.5% |
| Completed bachelors | 15.0% | 26.7% | 30.3% |
| Completed masters | 3.8% | 11.6% | 11.5% |
| Completed professional degree | 0.0% | 3.4% | 3.3% |
| Completed doctorate | 0.0% | 1.8% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Lake Sumner. Using the proficiency score averages, the average test scores for Lake Sumner, NM schools is n/a. The average student to teacher ratio is n/a. In Lake Sumner, NM, an average of 96.3% of students have completed 8th grade and an average of 96.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fort Sumner, NM | 1,301 | 40% | 16.0% |
| Lake Sumner, NM | 17 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Shoshone, CA | 18 | 50% | 4.2% |
| Weston, CO | 16 | 45% | 6.3% |
| Scott, AR | 15 | 30% | 38.5% |
| Hyder, AK | 12 | 50% | 4.2% |
| Wolford, ND | 22 | 60% | 25.0% |
| Lake Sumner, NM | 17 | n/a |
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