| Index | Mayo | South Carolina | National |
| Average Test Scores | 60% | 47% | 48% |
| Student/Teacher ratio | 18:1 | 16:1 | 16:1 |
| Total public schools | 1 | 932 | 79,221 |
| Total private schools | n/a | 369 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Mayo | South Carolina | National |
| Completed 8th grade | 70.6% | 83.0% | 84.3% |
| Completed high school | 70.6% | 81.6% | 83.0% |
| Completed some college | 41.8% | 56.6% | 59.4% |
| Completed associate degree | 21.4% | 35.6% | 38.5% |
| Completed bachelors | 13.7% | 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 1 public schools, n/a private schools and n/a post-secondary schools in Mayo. Using the proficiency score averages, the average test scores for Mayo, SC schools is 60%. The average student to teacher ratio is 18:1. In Mayo, SC, an average of 70.6% of students have completed 8th grade and an average of 70.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mooresboro, NC | 229 | 73% | 51.0% |
| Chesnee, SC | 621 | 60% | 25.2% |
| Inman, SC | 3,808 | 57% | 19.2% |
| Boiling Springs, SC | 10,161 | 56% | 17.4% |
| Cliffside, NC | 727 | 52% | 8.3% |
| Mayo, SC | 1,830 | 60% | 24.0% |
| City | Population | Avg. Test Scores | National Avg. |
| French Lick, IN | 1,830 | 51% | 5.2% |
| Star City, AR | 1,830 | 29% | 39.2% |
| Oologah, OK | 1,829 | 40% | 16.3% |
| Bryson City, NC | 1,829 | 45% | 5.6% |
| Fort Deposit, AL | 1,829 | 21% | 56.8% |
| Mayo, SC | 1,830 | 60% | 24.0% |
Here are the best places to live in South Carolina
See the best places to live in Mayo
Check out the 10 most dangerous cities in South Carolina
Most Dangerous Cities In The US