| | Castaic, CA | Rockford, MI | United States |
| Expend. per Student | $17,429 | $14,664 | $15,905 |
| Educ. Expend. per Student | $14,374 | $11,296 | $13,142 |
| Instr. Expend. per Student | $8,492 | $6,936 | $7,999 |
| Pupil/Teacher Ratio | 21.86 | 17 | 16.23 |
| Students per Librarian | 6565 | 1124 | 4573 |
| Students per Counselor | 380 | 681 | 530 |
| Grade School Educ. | 2.4% | 3.1% | 4.8% |
| Some High School Educ. | 4.3% | 2.8% | 6.3% |
| High School Educ. | 93.3% | 94.2% | 88.9% |
| Some College Educ. | 25.5% | 21.3% | 20.0% |
| 2 yr College Grad. | 10.9% | 10.0% | 8.7% |
| 4 yr College Grad. | 41.0% | 48.4% | 33.7% |
| Masters Grad. | 8.7% | 15.7% | 9.3% |
| Professional Degree | 1.9% | 0.1% | 2.2% |
| Doctorate Degree | 1.1% | 1.4% | 1.5% |