This is the 9334th most frequent Polish word.
uczęszczał
"Uczęszczał" means "he/she attended."
In this sentence, 'uczęszczał' is used to indicate regular participation in an organized educational activity.
Jan uczęszczał na kurs języka angielskiego przez cały rok.
Jan attended an English language course throughout the entire year.
Here, 'uczęszczała' signifies engaging in an extracurricular class or activity.
Moja siostra uczęszczała na lekcje baletu w młodości.
My sister attended ballet lessons in her youth.
This sentence demonstrates the use of 'uczęszczał' to refer to attending a formal institution like school.