Source please.
This was the 3rd largest union per the article and many others have done the same prior to this.
How many? Citation please.
The right to free assembly presumes the right to disassemble. What you are talking about would be an illegal contract.
start your research here:
http://www.1-888-no-union.com/decertification.html
Find out how many yourself. Fact: 3rd largest school district.
Source: the article that is the subject of this thread.
Most unions have de-certified since the law went into effect. This is a great victory and should be emulated everywhere.
Your failure to acknowledge that is telling.