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class

In a sentence
Táto trieda má tridsiatich piatich žiakov.
This class consists of thirty-five students.
Tá trieda je príliš malá.
That classroom is too small.
Tá trieda je primalá.
That classroom is too small.
Ten učiteľ má na starosti triedu tretieho ročníka.
That teacher is in charge of the third-year class.
Examples from Tatoeba (CC BY 2.0 FR).
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Example sentences from Tatoeba (CC BY 2.0 FR).
Full attribution on References.