| | Katy, TX | Perry Hall, MD | United States |
| Expend. per Student | $12,825 | $16,935 | $15,905 |
| Educ. Expend. per Student | $10,139 | $14,996 | $13,142 |
| Instr. Expend. per Student | $5,942 | $9,409 | $7,999 |
| Pupil/Teacher Ratio | 15.82 | 14.46 | 16.23 |
| Students per Librarian | 1470 | 633 | 4573 |
| Students per Counselor | 473 | 312 | 530 |
| Grade School Educ. | 2.6% | 4.1% | 4.8% |
| Some High School Educ. | 2.6% | 3.8% | 6.3% |
| High School Educ. | 94.8% | 92.1% | 88.9% |
| Some College Educ. | 19.8% | 18.0% | 20.0% |
| 2 yr College Grad. | 9.2% | 7.7% | 8.7% |
| 4 yr College Grad. | 46.7% | 42.3% | 33.7% |
| Masters Grad. | 16.6% | 14.4% | 9.3% |
| Professional Degree | 2.8% | 1.3% | 2.2% |
| Doctorate Degree | 0.8% | 2.1% | 1.5% |