Forget zero tolerance. Bay City Public School teachers for years could be caught repeatedly under the influence of illegal drugs or alcohol without being fired.
Teachers in possession or under the influence of illegal drugs could be caught three times before they lost their job, and they got five strikes if they were drunk on school grounds before being fired. A school district official said the language in the union contract that protects teachers for those instances "was incorporated into the teacher Master Agreement in 1997."
Source: Michigan Capitol Confidential. Read full article. (link)