This is the 805th most frequent Estonian word.
kool
"School"
In this sentence, 'kool' is used to refer to the institution where learning takes place, specifically as a location.
Ma käin igal hommikul koolis.
I go to school every morning.
Here, 'kool' describes the physical school building or entity.
Mu kool on suur ja hubane.
My school is large and cozy.
In this context, 'kool' serves as the root of the word 'koolitamine', meaning 'training', showcasing its derivative use to describe a process of learning.