The median annual wage for Teaching Assistants, Except Postsecondary in St. Louis, MO-IL is $30,740 (May 2024 BLS OES). The mean (average) is $34,160.
Pay spans roughly $25,580 at the 10th percentile to $45,820 at the 90th, so experience and specialisation move this figure a lot. An estimated 10,140 people work as teaching assistants, except postsecondary in St. Louis, MO-IL.
| Median (annual) | $30,740 |
| Mean (annual) | $34,160 |
| Median (hourly) | — |
| 10th percentile | $25,580 |
| 90th percentile | $45,820 |
| Employment | 10,140 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.