Given a text, write a compressed version of it in a single sentence.

Notice that each of the options just mentioned assumes that readiness is inherent in the child-that a 5-year-old must have reached a certain level of development to profit from classroom experiences. Consider, once again, the concept of the "zone," in which teaching leads development.
Each of the options mentioned assumes that a5-year-old must have reached a level of development to profit from classroom experiences. Consider the concept of the "zone," in which teaching leads development.