grade school

US /ˈɡreɪd skuːl/
UK /ˈɡreɪd skuːl/
"grade school" picture
1.

escuela primaria

a school for children between the ages of about five and eleven, usually from kindergarten to sixth grade

:
My daughter just started grade school this year.
Mi hija acaba de empezar la escuela primaria este año.
We learned basic math in grade school.
Aprendimos matemáticas básicas en la escuela primaria.