| | Union, SC | Fort Mill, SC | United States |
| Expend. per Student | $10,582 | $14,396 | $15,905 |
| Educ. Expend. per Student | $10,017 | $11,160 | $13,142 |
| Instr. Expend. per Student | $5,645 | $6,408 | $7,999 |
| Pupil/Teacher Ratio | 13.73 | 13.6 | 16.23 |
| Students per Librarian | 965 | 575 | 4573 |
| Students per Counselor | 322 | 313 | 530 |
| Grade School Educ. | 5.2% | 0.6% | 4.8% |
| Some High School Educ. | 11.7% | 2.1% | 6.3% |
| High School Educ. | 83.0% | 97.3% | 88.9% |
| Some College Educ. | 26.4% | 17.6% | 20.0% |
| 2 yr College Grad. | 8.9% | 9.9% | 8.7% |
| 4 yr College Grad. | 17.0% | 54.8% | 33.7% |
| Masters Grad. | 4.7% | 15.3% | 9.3% |
| Professional Degree | 0.3% | 3.0% | 2.2% |
| Doctorate Degree | 0.3% | 1.3% | 1.5% |