This is the 2495th most frequent Swedish word.
kommunernas
"Kommunernas" means "the municipalities'" (possessive form).
Kommunernas refers to the possessive form of 'kommuner', describing their responsibility in managing education services.
Kommunernas ansvar för utbildning är omfattande.
The municipalities' responsibility for education is extensive.
Here, kommunernas again acts in a possessive case, signifying that the reports belong to the municipalities.
Vi studerade kommunernas ekonomiska rapporter för att förstå deras budget.
We studied the municipalities' financial reports to understand their budget.
In this sentence, kommunernas highlights the collaboration among municipalities, using the genitive form to attribute importance to their cooperative actions.