elementary school · noun C /el.əˈmen.triˌskuːl/
elementary school
B1 a school for children aged 5 to 11 or 13
Dictionary example:
I have two children in elementary school.
Learner example:
After I started to study (when I was attending the elementary school) and I also started to read comics especially "THE AMAZING SPIDERMAN." (Preliminary English Test; B1; Italian)