| | Trenton, ME | San Luis Obispo, CA | United States |
| Expend. per Student | $19,932 | $15,908 | $15,905 |
| Educ. Expend. per Student | $17,349 | $12,063 | $13,142 |
| Instr. Expend. per Student | $9,877 | $7,298 | $7,999 |
| Pupil/Teacher Ratio | 9.85 | 20.87 | 16.23 |
| Students per Librarian | 482 | 16244 | 4573 |
| Students per Counselor | 309 | 491 | 530 |
| Grade School Educ. | 1.0% | 2.4% | 4.8% |
| Some High School Educ. | 3.1% | 2.8% | 6.3% |
| High School Educ. | 95.9% | 94.9% | 88.9% |
| Some College Educ. | 16.3% | 21.1% | 20.0% |
| 2 yr College Grad. | 8.4% | 8.1% | 8.7% |
| 4 yr College Grad. | 34.5% | 51.6% | 33.7% |
| Masters Grad. | 6.6% | 15.3% | 9.3% |
| Professional Degree | 1.0% | 3.4% | 2.2% |
| Doctorate Degree | 2.4% | 3.7% | 1.5% |