| Index | Tea | South Dakota | National |
| Average Test Scores | 57% | 48% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 3 | 340 | 79,221 |
| Total private schools | n/a | 76 | 24,874 |
| Total post-secondary schools | n/a | 25 | 7,963 |
| Index | Tea | South Dakota | National |
| Completed 8th grade | 98.4% | 89.1% | 84.3% |
| Completed high school | 97.8% | 86.8% | 83.0% |
| Completed some college | 75.2% | 60.4% | 59.4% |
| Completed associate degree | 52.8% | 38.5% | 38.5% |
| Completed bachelors | 37.0% | 27.5% | 30.3% |
| Completed masters | 5.8% | 8.1% | 11.5% |
| Completed professional degree | 3.4% | 2.5% | 3.3% |
| Completed doctorate | 2.0% | 1.2% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Tea. Using the proficiency score averages, the average test scores for Tea, SD schools is 57%. The average student to teacher ratio is 15:1. In Tea, SD, an average of 98.4% of students have completed 8th grade and an average of 97.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Brandon, SD | 10,030 | 70% | 46.0% |
| Canton, SD | 3,499 | 60% | 25.0% |
| Lennox, SD | 2,432 | 58% | 20.1% |
| Parker, SD | 876 | 57% | 19.1% |
| Harrisburg, SD | 6,420 | 54% | 13.3% |
| Tea, SD | 5,714 | 57% | 18.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Oceanport, NJ | 5,715 | 76% | 57.8% |
| Zebulon, NC | 5,712 | 36% | 25.6% |
| Mount Zion, IL | 5,707 | 44% | 8.9% |
| Harvest, AL | 5,722 | 58% | 21.4% |
| Du Quoin, IL | 5,723 | 32% | 33.3% |
| Tea, SD | 5,714 | 57% | 18.8% |
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