[Fusion_Clint]

Unfortunately, these types of complaints are common in organizations. Usually, it is a result of poor choices/communication rather than outright corruption. Also the truth is usually somewhere in the between both parties; once all the information is presented to all parties, the miscommunication is readily apparent.

When Parents are also mentors, they must make extraordinary effort to avoid even the perception of nepotism or favoritism. Because, perception is reality to everyone that thinks it.

If the situation is as bad as you say, there must be someone that you can take this too. As others have stated, your team probably has a sponsoring organization, (School, Community Club, etc); put your complaints and evidence together and present them to the administrators.