De or het zuivelschool?

The correct Dutch article is:

de zuivelschool

How to use zuivelschool

the zuivelschoolde zuivelschool
this zuivelschooldeze zuivelschool
that zuivelschooldie zuivelschool
our zuivelschoolonze zuivelschool
your zuivelschooljouw zuivelschool
every zuivelschoolelke zuivelschool
which zuivelschool?welke zuivelschool?
a big zuivelschool / the big zuivelschooleen grote zuivelschool, de grote zuivelschool