| Index | Dexter | Kansas | National |
| Average Test Scores | 45% | 35% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 970 | 79,221 |
| Total private schools | n/a | 190 | 24,874 |
| Total post-secondary schools | n/a | 86 | 7,963 |
| Index | Dexter | Kansas | National |
| Completed 8th grade | 90.8% | 87.4% | 84.3% |
| Completed high school | 87.0% | 86.1% | 83.0% |
| Completed some college | 52.6% | 63.7% | 59.4% |
| Completed associate degree | 31.7% | 39.8% | 38.5% |
| Completed bachelors | 12.3% | 31.6% | 30.3% |
| Completed masters | 5.5% | 11.4% | 11.5% |
| Completed professional degree | 0.7% | 3.0% | 3.3% |
| Completed doctorate | 0.7% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Dexter. Using the proficiency score averages, the average test scores for Dexter, KS schools is 45%. The average student to teacher ratio is n/a. In Dexter, KS, an average of 90.8% of students have completed 8th grade and an average of 87.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Winfield, KS | 12,321 | 30% | 37.8% |
| Burden, KS | 653 | 27% | 43.8% |
| Cedar Vale, KS | 685 | 24% | 50.5% |
| Dexter, KS | 617 | 45% | 6.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Lewistown, MO | 617 | 37% | 23.4% |
| Brasher Falls, NY | 617 | 56% | 16.7% |
| Gilbertown, AL | 618 | 22% | 53.6% |
| Wade, NC | 618 | 47% | 2.1% |
| Hay Springs, NE | 618 | 63% | 31.9% |
| Dexter, KS | 617 | 45% | 6.8% |
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