This is the 7989th most frequent Turkish word.
kurullarına
"Kurullarına" means "to their committees" or "to their councils" in English.
Here, 'kurullarına' refers to the boards (committees) of the institution in a possessive meaning.
Kurumun yönetim kurullarına yeni üyeler seçildi.
New members were elected to the management boards of the institution.
In this sentence, 'kurullarına' indicates the councils associated with the school in which suggestions were made.
Okulun öğrenci kurullarına öneriler sunuldu.
Suggestions were presented to the student councils of the school.
Here, 'kurullarına' is used to denote the possessive relationship between the association and its boards, specifying the entity accepting applications.