| Index | Johnsonville | South Carolina | National |
| Average Test Scores | 52% | 47% | 48% |
| Student/Teacher ratio | 16:1 | 16:1 | 16:1 |
| Total public schools | 3 | 932 | 79,221 |
| Total private schools | n/a | 369 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Johnsonville | South Carolina | National |
| Completed 8th grade | 80.4% | 83.0% | 84.3% |
| Completed high school | 78.7% | 81.6% | 83.0% |
| Completed some college | 53.5% | 56.6% | 59.4% |
| Completed associate degree | 32.9% | 35.6% | 38.5% |
| Completed bachelors | 22.1% | 26.5% | 30.3% |
| Completed masters | 7.5% | 9.6% | 11.5% |
| Completed professional degree | 1.6% | 2.5% | 3.3% |
| Completed doctorate | 0.8% | 1.1% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Johnsonville. Using the proficiency score averages, the average test scores for Johnsonville, SC schools is 52%. The average student to teacher ratio is 16:1. In Johnsonville, SC, an average of 80.4% of students have completed 8th grade and an average of 78.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Aynor, SC | 785 | 64% | 32.6% |
| Pamplico, SC | 1,222 | 43% | 10.9% |
| Hemingway, SC | 522 | 34% | 29.0% |
| Johnsonville, SC | 1,175 | 52% | 8.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Bruceton, TN | 1,175 | 36% | 25.5% |
| Bouse, AZ | 1,175 | 30% | 37.5% |
| Hydro, OK | 1,175 | 44% | 8.7% |
| Bogata, TX | 1,175 | 53% | 11.1% |
| Lindsay, TX | 1,176 | 75% | 55.2% |
| Johnsonville, SC | 1,175 | 52% | 8.0% |
Here are the best places to live in South Carolina
See the best places to live in Johnsonville
These are the 10 cheapest cities in South Carolina
Safest States In The US