| | Diamond Bar, CA | San Diego, CA | United States |
| Expend. per Student | $17,429 | $16,358 | $15,905 |
| Educ. Expend. per Student | $14,374 | $13,161 | $13,142 |
| Instr. Expend. per Student | $8,492 | $8,084 | $7,999 |
| Pupil/Teacher Ratio | 21.86 | 22.65 | 16.23 |
| Students per Librarian | 6565 | 18744 | 4573 |
| Students per Counselor | 380 | 513 | 530 |
| Grade School Educ. | 3.7% | 5.7% | 4.8% |
| Some High School Educ. | 3.1% | 5.0% | 6.3% |
| High School Educ. | 93.2% | 89.3% | 88.9% |
| Some College Educ. | 16.6% | 18.6% | 20.0% |
| 2 yr College Grad. | 8.5% | 7.7% | 8.7% |
| 4 yr College Grad. | 53.8% | 47.6% | 33.7% |
| Masters Grad. | 13.3% | 12.8% | 9.3% |
| Professional Degree | 3.0% | 3.6% | 2.2% |
| Doctorate Degree | 2.6% | 3.4% | 1.5% |