Most students are not spending too much time on homework. According to
http://www.theatlantic.com/education/archive/2013/09/how-much-homework-do-american-kids-do/279805/ How Much Homework Do American Kids Do?
Various factors, from the race of the student to the number of years a teacher has been in the classroom, affect a child's homework load.
The Atlantic
JULIA RYAN
SEP 19 2013, 9:04 AM ET
In 2007, the average number of hours per week spent on homework by high school students (grades 9 to 12) was
6.8 all
6.8 whites
6.3 blacks
6.4 Hispanics
10.3 Asians
According to the Met Life survey "THE HOMEWORK EXPERIENCE A SURVEY OF STUDENTS, TEACHERS AND PARENTS" (Figure 2.4),
http://files.eric.ed.gov/fulltext/ED500012.pdfonly 12% of students in grade 7-12 spent 2.5, 3, or more hours a day on homework, and only 11% of "A" students did. As I wrote earlier, most Harvard students studied for 19 hours or less a week in high school.
