| Index | Glenham | South Dakota | National |
| Average Test Scores | n/a | 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 |
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| Index | Glenham | South Dakota | National |
| Completed 8th grade | 96.1% | 89.1% | 84.3% |
| Completed high school | 94.8% | 86.8% | 83.0% |
| Completed some college | 22.1% | 60.4% | 59.4% |
| Completed associate degree | 15.6% | 38.5% | 38.5% |
| Completed bachelors | 13.0% | 27.5% | 30.3% |
| Completed masters | 1.3% | 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 Glenham. Using the proficiency score averages, the average test scores for Glenham, SD schools is n/a. The average student to teacher ratio is n/a. In Glenham, SD, an average of 96.1% of students have completed 8th grade and an average of 94.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mobridge, SD | 3,303 | 57% | 19.1% |
| Selby, SD | 513 | 52% | 7.6% |
| Glenham, SD | 117 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Tony, WI | 117 | 26% | 46.9% |
| Theodosia, MO | 116 | 23% | 53.1% |
| West Elkton, OH | 116 | 62% | 28.1% |
| Centerville, WA | 118 | 65% | 35.4% |
| Long Island, KS | 116 | 20% | 58.3% |
| Glenham, SD | 117 | n/a |
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