junior school

noun4

1. •
   A school providing primary education to children.
2. •
   (UK) A school providing education to children in Key Stage 2, i.e. for four academic years from September after a child's 7th birthday.
3. •
   (Australia) Usually a part of a private school that educates children between the ages of 2 and 5.
4. •
   (Canada) A school teaching children from kindergarten to Grade 5; an elementary school.