All 16 classes affected are arts, activities, or electives. They are "non-examination subjects"; that is, they are not on the exams students must take to pass into the next level of education.
以科目來說，今年開放的總共有十六科，全是如美術、童軍、音樂等的藝能及活動科目，和職業選修科，也就是所謂的「非聯考科目」。