| Index | Buffalo | South Dakota | National |
| Average Test Scores | 57% | 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 | Buffalo | South Dakota | National |
| Completed 8th grade | 93.8% | 89.1% | 84.3% |
| Completed high school | 93.8% | 86.8% | 83.0% |
| Completed some college | 64.9% | 60.4% | 59.4% |
| Completed associate degree | 36.0% | 38.5% | 38.5% |
| Completed bachelors | 30.7% | 27.5% | 30.3% |
| Completed masters | 4.0% | 8.1% | 11.5% |
| Completed professional degree | 0.0% | 2.5% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Buffalo. Using the proficiency score averages, the average test scores for Buffalo, SD schools is 57%. The average student to teacher ratio is n/a. In Buffalo, SD, an average of 93.8% of students have completed 8th grade and an average of 93.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Buffalo, SD | 280 | 57% | 18.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Clarksburg, MO | 280 | 45% | 6.3% |
| Arlington, IN | 280 | 60% | 24.0% |
| Kelliher, MN | 279 | 42% | 12.5% |
| Belleville, NY | 279 | 54% | 12.5% |
| Wallace, NE | 279 | 60% | 25.0% |
| Buffalo, SD | 280 | 57% | 18.1% |
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