| | Adelphi, MD | San Diego, CA | United States |
| Expend. per Student | $17,603 | $16,358 | $15,905 |
| Educ. Expend. per Student | $15,913 | $13,161 | $13,142 |
| Instr. Expend. per Student | $9,718 | $8,084 | $7,999 |
| Pupil/Teacher Ratio | 13.89 | 22.65 | 16.23 |
| Students per Librarian | 1155 | 18744 | 4573 |
| Students per Counselor | 338 | 513 | 530 |
| Grade School Educ. | 19.5% | 5.7% | 4.8% |
| Some High School Educ. | 7.9% | 5.0% | 6.3% |
| High School Educ. | 72.6% | 89.3% | 88.9% |
| Some College Educ. | 13.8% | 18.6% | 20.0% |
| 2 yr College Grad. | 7.4% | 7.7% | 8.7% |
| 4 yr College Grad. | 29.4% | 47.6% | 33.7% |
| Masters Grad. | 7.9% | 12.8% | 9.3% |
| Professional Degree | 2.2% | 3.6% | 2.2% |
| Doctorate Degree | 2.8% | 3.4% | 1.5% |