| | Mayo, SC | Campobello, SC | United States |
| Expend. per Student | $14,538 | $14,538 | $15,905 |
| Educ. Expend. per Student | $11,521 | $11,521 | $13,142 |
| Instr. Expend. per Student | $6,677 | $6,677 | $7,999 |
| Pupil/Teacher Ratio | 13.74 | 13.74 | 16.23 |
| Students per Librarian | 424 | 424 | 4573 |
| Students per Counselor | 375 | 375 | 530 |
| Grade School Educ. | 9.8% | 5.5% | 4.8% |
| Some High School Educ. | 4.2% | 3.6% | 6.3% |
| High School Educ. | 86.0% | 91.0% | 88.9% |
| Some College Educ. | 21.7% | 24.3% | 20.0% |
| 2 yr College Grad. | 11.4% | 16.4% | 8.7% |
| 4 yr College Grad. | 12.7% | 20.2% | 33.7% |
| Masters Grad. | 2.4% | 3.3% | 9.3% |
| Professional Degree | 0.0% | 2.4% | 2.2% |
| Doctorate Degree | 0.0% | 0.5% | 1.5% |