Around 7,000 support workers are represented by the Ontario Public Services Employees Union, OPSEU, and want a raise in salary.
Listen to Sabrina Ramlall's report.
Support staff at 24 Ontario colleges have rejected the lastest contract but negotiations are still underway.
Support staff includes financial aid workers, cleaners, tech support, registration workers, student advisors, the supervisors of student labs and even book store operators.
The contract expires on August 31, and a possible stirke could be as soon as Monday.
Listen to Sabrina Ramlall's report.
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