| Index | Newell | South Dakota | National |
| Average Test Scores | 26% | 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 | Newell | South Dakota | National |
| Completed 8th grade | 83.9% | 89.1% | 84.3% |
| Completed high school | 81.2% | 86.8% | 83.0% |
| Completed some college | 42.9% | 60.4% | 59.4% |
| Completed associate degree | 23.0% | 38.5% | 38.5% |
| Completed bachelors | 17.0% | 27.5% | 30.3% |
| Completed masters | 2.7% | 8.1% | 11.5% |
| Completed professional degree | 2.4% | 2.5% | 3.3% |
| Completed doctorate | 2.4% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Newell. Using the proficiency score averages, the average test scores for Newell, SD schools is 26%. The average student to teacher ratio is n/a. In Newell, SD, an average of 83.9% of students have completed 8th grade and an average of 81.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Newell, SD | 784 | 26% | 46.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Cleveland, MO | 784 | 42% | 12.5% |
| Mullan, ID | 784 | 37% | 22.9% |
| Kinston, AL | 784 | 57% | 17.7% |
| Jewett, TX | 785 | 48% | 1.0% |
| Greenville, CA | 785 | 24% | 50.5% |
| Newell, SD | 784 | 26% | 46.5% |
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