Why young people find the transition between school and univesity challenging​

During the transition from school to university, students will have to take more responsibilities for their own learning, organization, and attendance. At university, students are not closely directed nor monitored by their lecturers in what and how to learn. They have more freedom to attend lectures or not, or take notes or not during lectures. However, they will still be assessed and need to pass their set assignments and examination to demonstrate to the university that they have fulfilled course requirements satisfactorily to progress further. They have to be self-directed and be responsible for their own learning.
However, compared to university, learning for students at school is mostly teacher-directed and closely monitored by the teacher. Students have less freedom to decide to attend classes or not. If they skip classes, they will have to provide good reasons for fheir absence. Repetition may result in being expelled from school.
That being said, students in the transitional period from school to university will have to quickly learn how to cope with the challenges mentioned above.

Hope this helps.