There are four bargaining units represented by the OSSTF in District 11.
- Teachers' Bargaining Unit (TBU)
- includes Continuing Education Teachers (CET)
- Occasional Teachers' Bargaining Unit (OTBU)
- Professional Student Services Personnel Bargaining Unit (PSSP)
- Continuing Education Instructors Bargaining Unit (CEI)
- includes ESL, LBS and International Languages instructors