American school children rank 25th in math and 21st in science out of the top 30 developed countries, but ranked 1st in confidence that they outperformed everyone else.
Sudbury Valley School allows students to do whatever they want; no curriculum, tests, homework, or even classes unless requested. 82% of students get accepted to college, as opposed to the 63% national public school average.
In the U.S. the typical school year is 180 days long. In China, the typical school year is 251 days.
An Australian study found that homework is of little to no academic value to students in elementary and junior high schools.
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.