| Index | Lyndon | Kansas | National |
| Average Test Scores | 29% | 35% | 48% |
| Student/Teacher ratio | 12:1 | 14:1 | 16:1 |
| Total public schools | 2 | 970 | 79,221 |
| Total private schools | n/a | 190 | 24,874 |
| Total post-secondary schools | n/a | 86 | 7,963 |

| Index | Lyndon | Kansas | National |
| Completed 8th grade | 84.4% | 87.4% | 84.3% |
| Completed high school | 84.4% | 86.1% | 83.0% |
| Completed some college | 59.4% | 63.7% | 59.4% |
| Completed associate degree | 35.1% | 39.8% | 38.5% |
| Completed bachelors | 27.7% | 31.6% | 30.3% |
| Completed masters | 8.2% | 11.4% | 11.5% |
| Completed professional degree | 0.4% | 3.0% | 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 Lyndon. Using the proficiency score averages, the average test scores for Lyndon, KS schools is 29%. The average student to teacher ratio is 12:1. In Lyndon, KS, an average of 84.4% of students have completed 8th grade and an average of 84.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Quenemo, KS | 421 | 60% | 25.0% |
| Williamsburg, KS | 349 | 45% | 6.3% |
| Lebo, KS | 736 | 44% | 9.4% |
| Burlingame, KS | 863 | 40% | 17.7% |
| Pomona, KS | 1,233 | 36% | 26.0% |
| Lyndon, KS | 1,104 | 29% | 40.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Pelion, SC | 1,104 | 37% | 23.4% |
| Renovo, PA | 1,103 | 48% | = 100 |
| Elsie, MI | 1,105 | 48% | 0.8% |
| Alakanuk, AK | 1,105 | 5% | 89.6% |
| Oakland, IL | 1,103 | 22% | 53.6% |
| Lyndon, KS | 1,104 | 29% | 40.6% |