grade school
US /ˈɡreɪd skuːl/
UK /ˈɡreɪd skuːl/

1.
basisschool
a school for children between the ages of about five and eleven, usually from kindergarten to sixth grade
:
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My daughter just started grade school this year.
Mijn dochter is dit jaar net begonnen met de basisschool.
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We learned basic math in grade school.
We leerden basisrekenen op de basisschool.