school council
US /ˈskuːl ˌkaʊn.səl/
UK /ˈskuːl ˌkaʊn.səl/

1.
a group of students elected to represent the views of all pupils and to work with the school's management to improve the school
:
•
The school council organized a fundraiser for new playground equipment.
•
Students can bring their ideas to the school council meetings.