| | Island Lake, IL | Lake Forest, IL | United States |
| Expend. per Student | $18,892 | $24,440 | $15,905 |
| Educ. Expend. per Student | $16,554 | $20,875 | $13,142 |
| Instr. Expend. per Student | $9,697 | $12,628 | $7,999 |
| Pupil/Teacher Ratio | 13.74 | 13.56 | 16.23 |
| Students per Librarian | 913 | 1005 | 4573 |
| Students per Counselor | 578 | 592 | 530 |
| Grade School Educ. | 2.7% | 0.5% | 4.8% |
| Some High School Educ. | 5.2% | 0.4% | 6.3% |
| High School Educ. | 92.1% | 99.1% | 88.9% |
| Some College Educ. | 20.4% | 10.3% | 20.0% |
| 2 yr College Grad. | 12.0% | 3.0% | 8.7% |
| 4 yr College Grad. | 27.9% | 81.0% | 33.7% |
| Masters Grad. | 5.1% | 25.4% | 9.3% |
| Professional Degree | 0.5% | 12.9% | 2.2% |
| Doctorate Degree | 0.4% | 4.0% | 1.5% |