| Index | Kennebec | South Dakota | National |
| Average Test Scores | 50% | 48% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 340 | 79,221 |
| Total private schools | n/a | 76 | 24,874 |
| Total post-secondary schools | n/a | 25 | 7,963 |
| Index | Kennebec | South Dakota | National |
| Completed 8th grade | 97.1% | 89.1% | 84.3% |
| Completed high school | 95.1% | 86.8% | 83.0% |
| Completed some college | 45.9% | 60.4% | 59.4% |
| Completed associate degree | 31.1% | 38.5% | 38.5% |
| Completed bachelors | 18.0% | 27.5% | 30.3% |
| Completed masters | 7.4% | 8.1% | 11.5% |
| Completed professional degree | 4.1% | 2.5% | 3.3% |
| Completed doctorate | 1.6% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Kennebec. Using the proficiency score averages, the average test scores for Kennebec, SD schools is 50%. The average student to teacher ratio is n/a. In Kennebec, SD, an average of 97.1% of students have completed 8th grade and an average of 95.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Presho, SD | 411 | 60% | 25.0% |
| Lower Brule, SD | 971 | 7% | 86.5% |
| Kennebec, SD | 344 | 50% | 3.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Buffalo, KS | 344 | 17% | 64.6% |
| Freedom, OK | 344 | 45% | 6.3% |
| Greeleyville, SC | 344 | 36% | 26.0% |
| Roscoe, SD | 344 | 47% | 2.8% |
| St. John, ND | 343 | 21% | 56.3% |
| Kennebec, SD | 344 | 50% | 3.6% |
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