junior school

Noun

 * 1) A school providing primary education to children.
 * 2)  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)  Usually a part of a private school that educates children between the ages of 2 and 5.
 * 4)  A school teaching children from kindergarten to Grade 5; an elementary school.