| | Irmo, SC | Benicia, CA | United States |
| Expend. per Student | $17,157 | $13,968 | $15,905 |
| Educ. Expend. per Student | $14,952 | $11,346 | $13,142 |
| Instr. Expend. per Student | $9,360 | $6,685 | $7,999 |
| Pupil/Teacher Ratio | 15.36 | 23 | 16.23 |
| Students per Librarian | 574 | 6253 | 4573 |
| Students per Counselor | 336 | 867 | 530 |
| Grade School Educ. | 2.5% | 1.2% | 4.8% |
| Some High School Educ. | 2.6% | 2.9% | 6.3% |
| High School Educ. | 95.0% | 96.0% | 88.9% |
| Some College Educ. | 26.8% | 21.6% | 20.0% |
| 2 yr College Grad. | 11.2% | 11.4% | 8.7% |
| 4 yr College Grad. | 38.0% | 45.2% | 33.7% |
| Masters Grad. | 10.2% | 9.4% | 9.3% |
| Professional Degree | 0.6% | 2.9% | 2.2% |
| Doctorate Degree | 0.6% | 2.2% | 1.5% |