| | McKinney, TX | Willis, TX | United States |
| Expend. per Student | $14,902 | $11,677 | $15,905 |
| Educ. Expend. per Student | $9,587 | $9,264 | $13,142 |
| Instr. Expend. per Student | $6,140 | $5,696 | $7,999 |
| Pupil/Teacher Ratio | 14.93 | 15.93 | 16.23 |
| Students per Librarian | 800 | 1106 | 4573 |
| Students per Counselor | 405 | 435 | 530 |
| Grade School Educ. | 3.8% | 19.0% | 4.8% |
| Some High School Educ. | 2.4% | 9.9% | 6.3% |
| High School Educ. | 93.8% | 71.0% | 88.9% |
| Some College Educ. | 18.7% | 22.1% | 20.0% |
| 2 yr College Grad. | 9.0% | 3.2% | 8.7% |
| 4 yr College Grad. | 51.3% | 12.9% | 33.7% |
| Masters Grad. | 13.4% | 2.3% | 9.3% |
| Professional Degree | 2.1% | 0.0% | 2.2% |
| Doctorate Degree | 1.4% | 0.0% | 1.5% |