| | Clayton, CA | Downey, CA | United States |
| Expend. per Student | $15,192 | $17,429 | $15,905 |
| Educ. Expend. per Student | $12,448 | $14,374 | $13,142 |
| Instr. Expend. per Student | $7,565 | $8,492 | $7,999 |
| Pupil/Teacher Ratio | 22.21 | 21.86 | 16.23 |
| Students per Librarian | 7518 | 6565 | 4573 |
| Students per Counselor | 584 | 380 | 530 |
| Grade School Educ. | 0.1% | 11.1% | 4.8% |
| Some High School Educ. | 1.0% | 8.1% | 6.3% |
| High School Educ. | 98.8% | 80.8% | 88.9% |
| Some College Educ. | 21.3% | 22.5% | 20.0% |
| 2 yr College Grad. | 8.3% | 8.1% | 8.7% |
| 4 yr College Grad. | 57.8% | 24.9% | 33.7% |
| Masters Grad. | 13.9% | 5.5% | 9.3% |
| Professional Degree | 3.5% | 1.3% | 2.2% |
| Doctorate Degree | 2.3% | 0.6% | 1.5% |