This is the 10254th most frequent Portuguese word.
escolares
"Escolares" means "school-related" or "students" in English.
Here, 'escolares' functions as an adjective describing 'materiais', indicating that the materials are associated with schools or education.
Os materiais escolares são essenciais para o aprendizado.
School supplies are essential for learning.
In this sentence, 'escolares' modifies 'atividades', showing that the activities are related to a school context.
Os alunos estão participando das atividades escolares.
Students are participating in school activities.
'Escolares' here is used adjectively with 'ônibus', specifying the type of buses involved—the ones designated for schools.