ISCED (International Standard Classification of Education) is a standard
that can be used to described education levels.
In iceland we have
Leikskoli which covers Early Childhood Education (Level 0)
Grunnskoli which covers Primary and Lower Secondary Education (Level 1
and 2)
Menntaskoli which covers Upper Secondary Education (Level 3)
ISCED (International Standard Classification of Education) is a standard that can be used to described education levels.
In iceland we have
Leikskoli which covers Early Childhood Education (Level 0) Grunnskoli which covers Primary and Lower Secondary Education (Level 1 and 2) Menntaskoli which covers Upper Secondary Education (Level 3)
And then the universities.
Read about the standard here