Developmental Milestones
CDC’s Developmental Milestones
Concerned about your child's development? Click the link above to view the CDC's developmental milestones for different age levels.
Skip to content
Proficient in Reading:
Elementary: 27% | Middle: 25% | High: 24%
Distinguished in Reading:
Elementary: 14% | Middle: 15% | High: 18%
Proficient in Math:
Elementary: 30% | Middle: 24% | High: 21%
Distinguished in Math:
Elementary: 9% | Middle: 6% | High: 9%