The index score is the number of college-level tests given at a school in the previous calendar year divided by the number of graduates that year. Also noted are the percentage of students who come from families that qualify for lunch subsidies (Subs. lunch) and the percentage of graduates who passed at least one college-level test during their high school career, called equity and excellence, (E&E). A (P) next to the school's name denotes a private school.
| RANK | SCHOOL | CITY | STATE | E&E% | SUBS. LUNCH | INDEX |
|---|---|---|---|---|---|---|
| 1 | College Prep School of America (P) | Lombard | IL | 74.00 | 25.00 | 6.630 |
| 2 | Islamic Foundation School (P) | Villa Park | IL | 84.00 | 30.00 | 6.265 |
| 3 | Lincoln Park | Chicago | IL | 57.00 | 52.00 | 5.164 |
| 4 | Whitney M. Young Magnet | Chicago | IL | 76.00 | 40.00 | 4.664 |
| 5 | Adlai E. Stevenson | Lincolnshire | IL | 85.00 | 1.00 | 4.647 |
| 6 | Barrington | Barrington | IL | 36.40 | 21.00 | 4.554 |
| 7 | Lane Tech | Chicago | IL | 69.50 | 58.00 | 4.530 |
| 8 | Westmont | Westmont | IL | 53.00 | 43.00 | 4.516 |
| 9 | Jones College Prep | Chicago | IL | 78.40 | 44.00 | 4.332 |
| 10 | Evanston Township | Evanston | IL | 60.00 | 43.00 | 4.286 |
| 11 | Glenbard West | Glen Ellyn | IL | 57.00 | 24.40 | 3.744 |
| 12 | Lindblom Math and Science Academy | Chicago | IL | 30.00 | 3.626 | |
| 13 | J.S. Morton East | Cicero | IL | 94.00 | 3.523 | |
| 14 | John Hersey | Arlington Heights | IL | 100.00 | 12.70 | 3.451 |
| 15 | Riverside Brookfield | Riverside | IL | 3.431 | ||
| 16 | Hinsdale Central | Hinsdale | IL | 59.30 | 8.00 | 3.422 |
| 17 | Universal (P) | Bridgeview | IL | 76.00 | 32.00 | 3.306 |
| 18 | Prospect | Mount Prospect | IL | 56.70 | 9.70 | 3.145 |
| 19 | Hinsdale South | Darien | IL | 43.10 | 32.20 | 3.098 |
| 20 | Libertyville | Libertyville | IL | 53.40 | 5.50 | 3.093 |