You actually don't have to bear with them, or smile through the eighth change of the semester. You won't get paid enough to have daily burn out. Plus, when you have a mental breakdown, they'll just hire someone else and let your colleagues think you vanished without a trace.

To the teacher struggling to maintain flexibility and their sanity; yes, your administration should have actually mapped out the school year during the summer, with resources ready for you during planning week.

Show me where I am needed and will be well received Lord.