| Index | Kline | South Carolina | National |
| Average Test Scores | n/a | 47% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 932 | 79,221 |
| Total private schools | n/a | 369 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Kline | South Carolina | National |
| Completed 8th grade | 72.7% | 83.0% | 84.3% |
| Completed high school | 72.7% | 81.6% | 83.0% |
| Completed some college | 51.1% | 56.6% | 59.4% |
| Completed associate degree | 27.3% | 35.6% | 38.5% |
| Completed bachelors | 11.4% | 26.5% | 30.3% |
| Completed masters | 0.0% | 9.6% | 11.5% |
| Completed professional degree | 0.0% | 2.5% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Kline. Using the proficiency score averages, the average test scores for Kline, SC schools is n/a. The average student to teacher ratio is n/a. In Kline, SC, an average of 72.7% of students have completed 8th grade and an average of 72.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Brunson, SC | 481 | 50% | 3.1% |
| Barnwell, SC | 4,373 | 40% | 16.9% |
| Fairfax, SC | 2,241 | 36% | 26.0% |
| Denmark, SC | 3,231 | 33% | 31.3% |
| Kline, SC | 150 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Nightmute, AK | 150 | 10% | 79.2% |
| Deering, AK | 150 | 20% | 58.3% |
| Bluff, UT | 150 | 30% | 37.5% |
| Port Graham, AK | 150 | 20% | 58.3% |
| Boones Mill, VA | 149 | 87% | 81.3% |
| Kline, SC | 150 | n/a |
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