Most protests will stop during summer vacation time because it is summer vacation time. These teachers only cause problems when they are suppose to be teaching.
The law is the teachers can have 3 days unexcused absence from work and then they can be fired. Hundreds have already been fired over the past few months and you can be assured there will be hundreds more fired after this round of destruction of public and private property.
The Governor of Guerrero has admitted there are arrest warrants for more than a few and rumors of 12 union leaders for numerous criminal acts including arson, money laundering and theft of union funds.