| | San Marcos, CA | Costa Mesa, CA | United States |
| Expend. per Student | $16,358 | $15,277 | $15,905 |
| Educ. Expend. per Student | $13,161 | $12,911 | $13,142 |
| Instr. Expend. per Student | $8,084 | $8,037 | $7,999 |
| Pupil/Teacher Ratio | 22.65 | 23.21 | 16.23 |
| Students per Librarian | 18744 | 16383 | 4573 |
| Students per Counselor | 513 | 595 | 530 |
| Grade School Educ. | 6.8% | 6.1% | 4.8% |
| Some High School Educ. | 5.4% | 6.3% | 6.3% |
| High School Educ. | 87.8% | 87.6% | 88.9% |
| Some College Educ. | 20.5% | 20.4% | 20.0% |
| 2 yr College Grad. | 8.4% | 7.4% | 8.7% |
| 4 yr College Grad. | 40.9% | 42.2% | 33.7% |
| Masters Grad. | 10.2% | 8.9% | 9.3% |
| Professional Degree | 1.9% | 2.8% | 2.2% |
| Doctorate Degree | 1.7% | 1.1% | 1.5% |