Hello,
look at
https://en.wikipedia.org/wiki/Education_in_Poland_during_World_War_II
and
https://en.wikipedia.org/wiki/Intelligenzaktion
and
https://en.wikipedia.org/wiki/Nazi_crimes_against_the_Polish_nation
You can see references therein.
For a detailed information you can check „Intelligenzaktion Schlesien”. Unfortunately, most webpages and books are in Polish only.
I found, for example, a webpage
http://041940.pl/eksterminacja-inteligencji/
and a list of some victims (this is not a full list):
http://www.041940.pl/wp-content/uploads/2017/lista-zid-wiez.html
Look at a man no. 1072 in the list. He was only a school caretaker (woźny szkolny) in Ruda Śląska (Nowy Bytom)…
The conclusion is: Yes, teachers were punished.
