For years, teachers have followed the “10-minute rule” giving students roughly 10 minutes of homework per grade level. However, recent studies have shown students are completing 3+ hours of homework a night well before their senior years even begin. [2] X Trustworthy Source American Psychological Association Leading scientific and professional organization of licensed psychologists Go to source

There are even studies that have shown homework in primary school has no correlation with classroom performance whatsoever. [9] X Research source

There are even some U. S schools that have adopted this approach with success. [13] X Research source