

No Kompromat needed, just PiS doing PiS things. Poland banned imports of Ukrainian grain (because PiS has a largely rural support base and the farmers don’t appreciate the competition), Ukraine filed a complaint with the World Trade Organisation, so now the Polish government is throwing what in political science is called a tamper tantrum.
Considering that OP’s teachers apparently beat their students (or at least stand idly by while their colleagues do), I’d argue that they do not deserve one ounce of respect.