Before revision: The rise of crowds Crowds first emerge in middle school or junior high school, when children transition from stable, self-contained classroom peer groups into larger schools, where they interact with a more varied body of peers with less adult guidance.
After revision: The rise of crowds Crowds first emerge in middle or junior high school, when children transition from stable, self-contained classroom peer groups into larger schools, where they interact with a more varied body of peers with less adult guidance.