The median annual wage for Teaching Assistants, Except Postsecondary in Santa Rosa-Petaluma, CA is $47,440 (May 2024 BLS OES). The mean (average) is $47,670.
Pay spans roughly $37,550 at the 10th percentile to $58,470 at the 90th, so experience and specialisation move this figure a lot. An estimated 1,910 people work as teaching assistants, except postsecondary in Santa Rosa-Petaluma, CA.
| Median (annual) | $47,440 |
| Mean (annual) | $47,670 |
| Median (hourly) | — |
| 10th percentile | $37,550 |
| 90th percentile | $58,470 |
| Employment | 1,910 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.