When it comes to defining a person's age range, "of school age" is one of the most common phrases used. However, there are a variety of synonyms that can be used to describe this age group. Some options include "school-aged," which is a more concise version of the original phrase, or "elementary-school age," which specifically refers to children who are between the ages of 5 and 11. "Juvenile" or "adolescent" can be used instead, but these words are more broad and encompass a wider age range. Additionally, "pre-teen" or "tween" can be used to describe children who are not yet teenagers but are no longer considered young children.