szkolnym
Szkolnym is the instrumental singular form of the Polish adjective szkolny, meaning school-related or pertaining to school. It is used to modify masculine or neuter nouns in the instrumental case and agrees with the gender of the head noun. The feminine instrumental singular form is szkolną, and the plural instrumental form is szkolnymi. In the nominative, the forms are szkolny (masculine), szkolna (feminine), and szkolne (neuter or plural for non-meminine nouns).
The term is commonly employed in education, administration, and everyday language to describe things connected with
Etymology and usage notes: szkolny derives from szkola (school) with the common Polish adjectival suffix -ny.