| | Plano, TX | Aiken, SC | United States |
| Expend. per Student | $14,902 | $15,390 | $15,905 |
| Educ. Expend. per Student | $9,587 | $10,396 | $13,142 |
| Instr. Expend. per Student | $6,140 | $5,985 | $7,999 |
| Pupil/Teacher Ratio | 14.93 | 14.76 | 16.23 |
| Students per Librarian | 800 | 303 | 4573 |
| Students per Counselor | 405 | 326 | 530 |
| Grade School Educ. | 3.8% | 2.0% | 4.8% |
| Some High School Educ. | 2.9% | 6.5% | 6.3% |
| High School Educ. | 93.3% | 91.6% | 88.9% |
| Some College Educ. | 16.2% | 17.8% | 20.0% |
| 2 yr College Grad. | 6.5% | 8.9% | 8.7% |
| 4 yr College Grad. | 58.1% | 41.3% | 33.7% |
| Masters Grad. | 18.1% | 12.2% | 9.3% |
| Professional Degree | 3.0% | 2.3% | 2.2% |
| Doctorate Degree | 2.1% | 1.7% | 1.5% |