| | San Mateo, CA | Castro Valley, CA | United States |
| Expend. per Student | $20,087 | $17,788 | $15,905 |
| Educ. Expend. per Student | $15,457 | $13,323 | $13,142 |
| Instr. Expend. per Student | $9,271 | $8,104 | $7,999 |
| Pupil/Teacher Ratio | 19.79 | 21.61 | 16.23 |
| Students per Librarian | 8055 | 9555 | 4573 |
| Students per Counselor | 431 | 603 | 530 |
| Grade School Educ. | 4.9% | 5.2% | 4.8% |
| Some High School Educ. | 3.2% | 3.8% | 6.3% |
| High School Educ. | 91.9% | 91.0% | 88.9% |
| Some College Educ. | 14.9% | 20.4% | 20.0% |
| 2 yr College Grad. | 6.4% | 10.0% | 8.7% |
| 4 yr College Grad. | 58.2% | 42.7% | 33.7% |
| Masters Grad. | 18.1% | 11.5% | 9.3% |
| Professional Degree | 3.8% | 2.5% | 2.2% |
| Doctorate Degree | 4.1% | 2.0% | 1.5% |