There are a lot of posts on this topic, but I can't find any answers to my question.
I came across the following two definitions of 'school':
[uncountable] (used without the or a) the process of learning in a school; the time during your life when you go to a school (British English)
[uncountable] (used without the or a) the time during the day when children are working in a school
I know there are better ways to convey the message, but which sentence would a teacher utter if he was a school teacher teaching students, adults, etc.? What about a janitor, director, and secretary?
I teach at/in school OR I teach at/in a school
The above definitions concern students, and not working individuals like teachers or janitors.
I would appreciate if you also stated whether you're American, Canadian, British, etc.