| | Castroville, CA | Marina, CA | United States |
| Expend. per Student | $15,375 | $15,375 | $15,905 |
| Educ. Expend. per Student | $13,156 | $13,156 | $13,142 |
| Instr. Expend. per Student | $7,645 | $7,645 | $7,999 |
| Pupil/Teacher Ratio | 21.73 | 21.73 | 16.23 |
| Students per Librarian | 28952 | 28952 | 4573 |
| Students per Counselor | 526 | 526 | 530 |
| Grade School Educ. | 42.7% | 6.4% | 4.8% |
| Some High School Educ. | 7.0% | 6.0% | 6.3% |
| High School Educ. | 50.2% | 87.6% | 88.9% |
| Some College Educ. | 16.7% | 22.1% | 20.0% |
| 2 yr College Grad. | 3.8% | 11.8% | 8.7% |
| 4 yr College Grad. | 5.2% | 32.7% | 33.7% |
| Masters Grad. | 0.3% | 10.3% | 9.3% |
| Professional Degree | 0.1% | 1.6% | 2.2% |
| Doctorate Degree | 0.0% | 1.8% | 1.5% |