Spending more than two hours a night doing homework is linked to achieving better results in English, maths and science, according to a major study which has tracked. New research has found that homework is of little value to primary school children, and students are regularly given too much. Table 35. Average hours spent on homework per week and percentage of 9th- through 12th-grade students who did homework outside of school and whose parents checked. 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. Primary schools are being urged to scrap homework after a study claimed it was a source of family conflict with no educational benefit. Australian Bureau of Statistics finds kids are watching less TV and. “The amount of homework younger children in primary school should be getting. High School Homework Statistics Data Average hours per weeknight spent on homework 3.11 hours Average hours of sleep on school nights for students 6. A Stanford researcher found that too much homework can negatively affect kids, especially their lives away from school, where family, friends and. Is it time to scrap homework?. formalisation of primary homework in this country began in 1988. funded Effective Pre-school, Primary and. Math Homework Help. Question: What is primary data and secondary data in Statistics and research methods?, Topics: Math, Tags: Math.