My advice would be to present your case to the administration, and see if they can add an exception to allow only students with proper safety training to use the tools. This may require some time investment to create a program (if you haven't already) and actually run the sessions. We are currently phasing in a level safety & tool usage program outlined
here
The administration might be willing to grant your team the exception if they can see the steps you are taking to ensure nobody gets hurt.