When students start their life as adults how much skill and knowledge do they have?
Does the Education system succeeds in increasing the amount of students that excel in their studies? Do they succeed in decreasing the amount of students that have difficulties?
The Pisa test collects a lot of information regarding the student's background, educational improvement, and their perception on the school syllabus. School principals are asked about school policies, atmosphere, the number of hours of teaching and more. This is the story of the education system.
The students' answers include their bias.
How do help the students to get good grades? Can you explain the success of students with their background?
The data is being calculated on the spot, so you might have to wait a few seconds.