| | Castle, OK | McKinney, TX | United States |
| Expend. per Student | $11,897 | $14,902 | $15,905 |
| Educ. Expend. per Student | $11,300 | $9,587 | $13,142 |
| Instr. Expend. per Student | $6,709 | $6,140 | $7,999 |
| Pupil/Teacher Ratio | 13.98 | 14.93 | 16.23 |
| Students per Librarian | 321 | 800 | 4573 |
| Students per Counselor | 322 | 405 | 530 |
| Grade School Educ. | 1.9% | 3.8% | 4.8% |
| Some High School Educ. | 23.8% | 2.4% | 6.3% |
| High School Educ. | 74.3% | 93.8% | 88.9% |
| Some College Educ. | 17.1% | 18.7% | 20.0% |
| 2 yr College Grad. | 2.9% | 9.0% | 8.7% |
| 4 yr College Grad. | 33.3% | 51.3% | 33.7% |
| Masters Grad. | 1.9% | 13.4% | 9.3% |
| Professional Degree | 0.0% | 2.1% | 2.2% |
| Doctorate Degree | 0.0% | 1.4% | 1.5% |