The countdown is on to a potentially significant disruption in New York City’s yellow school bus service, with bus companies threatening to shut down if they don’t get a new contract. It wouldn’t be considered a traditional strike.

With roughly half of the city’s school bus companies agreeing to monthly extensions, thousands of parents may be left scrambling with how to send their children to school.

A meeting on Wednesday night could determine if New York City Public Schools’ private bus companies will move forward with their threat to lay off their drivers, leaving roughly 150,000 students stranded.

While half of bus companies have accepted emergency contracts, thousands of students still face transportation uncertainty.

Public school students will have continued bus service for another month thanks to an emergency 30-day contract, as the Department of Education and over 50 school bus companies try to hammer out a five-year contract extension.

New York City’s school bus companies have agreed to a 30-day extension to finalize contracts, averting a strike on Monday, according to a spokesperson for the companies’

New York City's largest school bus companies have threatened to halt service and lay off employees Nov. 1 without a contract extension. City officials blasted the move as "an act of bad faith."

Workers at several companies are threatening to walk off the job because of a contract dispute, which would leave thousands of New York City children without school bus service. FOX 5 NY's Linda Schmidt has the details.