The median annual wage for Teaching Assistants, Except Postsecondary in Illinois is $35,780 (May 2024 BLS OES). The mean (average) is $37,270.
Pay spans roughly $29,120 at the 10th percentile to $46,990 at the 90th, so experience and specialisation move this figure a lot. An estimated 60,520 people work as teaching assistants, except postsecondary in Illinois.
| Median (annual) | $35,780 |
| Mean (annual) | $37,270 |
| Median (hourly) | — |
| 10th percentile | $29,120 |
| 90th percentile | $46,990 |
| Employment | 60,520 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.