| | Eureka, CA | San Marcos, CA | United States |
| Expend. per Student | $15,703 | $16,358 | $15,905 |
| Educ. Expend. per Student | $13,439 | $13,161 | $13,142 |
| Instr. Expend. per Student | $7,929 | $8,084 | $7,999 |
| Pupil/Teacher Ratio | 18.88 | 22.65 | 16.23 |
| Students per Librarian | 7043 | 18744 | 4573 |
| Students per Counselor | 659 | 513 | 530 |
| Grade School Educ. | 4.4% | 6.8% | 4.8% |
| Some High School Educ. | 7.0% | 5.4% | 6.3% |
| High School Educ. | 88.7% | 87.8% | 88.9% |
| Some College Educ. | 26.0% | 20.5% | 20.0% |
| 2 yr College Grad. | 9.9% | 8.4% | 8.7% |
| 4 yr College Grad. | 29.8% | 40.9% | 33.7% |
| Masters Grad. | 6.5% | 10.2% | 9.3% |
| Professional Degree | 1.5% | 1.9% | 2.2% |
| Doctorate Degree | 1.2% | 1.7% | 1.5% |