This is the 5536th most frequent Polish word.
uczą
"Uczą" means "they teach."
The word 'uczą' is used here in the third person plural present tense, indicating that teachers are performing the act of teaching.
Nauczyciele uczą dzieci w szkole.
Teachers teach children in school.
In this sentence, 'uczą' is part of the reflexive verb 'uczą się,' showing that the female students are subject to the action of learning themselves.
Studentki uczą się języka polskiego.
Female students are learning the Polish language.
Here, 'uczą' is again in the third person plural present tense, with parents being the agents conducting the teaching process.