The criterion for acceptance into the school is the willingness to put in the effort to achieve full potential, not high 'innate' ability. Placement into classes is determined by academic attainment, with age acting as a limiting factor. Students applying to enter Grade 1 and above must take diagnostic tests to determine placement.
Students who are found to be behind academically are rarely refused. Instead, they are offered, at no extra cost, the following solution, depending on their academic needs:
Special Lessons: A student found to be weak in one subject attends extra periods in that subject until the level of the class is reached.