Stages
Start where your child is today.
These are broad reference points—not pass/fail tests. Choose the age or school placement that best fits the question you are trying to solve.
Early Development
School Years
Visual stage library
See learning in context
These visuals are intentionally sparse: they show the kind of parent-child interaction that matters most at each stage.
Keep perspective: Development and learning vary. A stage gives you a useful starting point; repeated observations across time and settings give you better information than a single task or day.