Its popularity meant it had to develop a rigorous selection process so by the mid-20th century-the school already being considered an elite institution-admitted its students after two years of dedicated preparatory classes through a competitive entrance exam.
It had to develop a rigorous selection process so by the mid. This was what its popularity meant.20th century-the school already being considered an elite institution-admitted its students after two years of dedicated preparatory classes through a competitive entrance exam.