| Index | Waterloo | South Carolina | National |
| Average Test Scores | 37% | 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 | Waterloo | South Carolina | National |
| Completed 8th grade | 60.4% | 83.0% | 84.3% |
| Completed high school | 57.4% | 81.6% | 83.0% |
| Completed some college | 34.7% | 56.6% | 59.4% |
| Completed associate degree | 23.8% | 35.6% | 38.5% |
| Completed bachelors | 12.9% | 26.5% | 30.3% |
| Completed masters | 4.0% | 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 Waterloo. Using the proficiency score averages, the average test scores for Waterloo, SC schools is 37%. The average student to teacher ratio is n/a. In Waterloo, SC, an average of 60.4% of students have completed 8th grade and an average of 57.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Ninety Six, SC | 2,395 | 55% | 13.9% |
| Hodges, SC | 226 | 50% | 3.1% |
| Ware Shoals, SC | 2,455 | 49% | 1.4% |
| Clinton, SC | 8,347 | 42% | 12.2% |
| Greenwood, SC | 23,351 | 37% | 23.4% |
| Waterloo, SC | 181 | 37% | 22.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Castleford, ID | 181 | 32% | 33.3% |
| Marion, ND | 181 | 60% | 25.0% |
| Artesian, SD | 181 | 50% | 4.2% |
| Litchville, ND | 181 | 45% | 6.3% |
| Carpenter, WY | 181 | 50% | 4.2% |
| Waterloo, SC | 181 | 37% | 22.9% |
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