3rd Grader Age - How old are you in 3rd grade? For instance, if you were born between the first day of september 1999 and the. A toddler is a small child who has learned to walk, usually around the age of 2 or 3. Children between this age and the age when they start school (usually around age 5) are. Understanding grade levels is crucial as they help. Most children begin third grade around the age of 8 or 9. By the end of the school year, third graders are usually 9 or 10 years old.
How old are you in 3rd grade? For instance, if you were born between the first day of september 1999 and the.