There are many ways to describe how children grow into maturity. Classical education, for instance, uses the “grammar, dialectic, and rhetoric” stages to show how education needs to change as children get older. Christine Miller explains it:

The Grammar Stage – learning a body of knowledge about a subject
The Dialectic Stage – learning to reason (why and how things relate)
The Rhetoric Stage – learning to communicate and express

Scripture confirms that this is how we all learn and grow. Learn more:
https://homeschoolingtorah.com/stages-of-growth/