Sports, Science and Technology to analyze the test results — made the connection after comparing those results to answers from a questionnaire sent to some 40,000 parents and guardians of the students tested. The test was administered in April 2013 on sixth grade and third-year junior high school students at selected schools across Japan. The analysis also suggested that children who read books and newspapers regularly also perform better academically.
According to the study, sixth graders from households with an annual income of less than 2 million yen scored an average of 45.7 percent on the arithmetic section of the test. Sixth graders from households bringing in more than 15 million yen a year, meanwhile, had an average score of 71.5 percent.
The analysis also found a directly proportional relationship between the amount households spent on study outside school such as cram schools and their children’s test performance.
Looking at parental participation in and awareness of their children’s education, the study found that students whose parents recommended that they read books and newspapers, asked their children about life at school, and maintained a stable daily routine, all had better test results.
The study also found, however, that the 25 percent of top-ranked performers who came from disadvantageous home situations all had parents who were passionate about education. Even in households with economic troubles, students who spent a long time studying had high academic performance.
When the researchers examined seven schools where the academic differences associated with household conditions was relatively small, they found that home study, good leadership from school principals or other authority figures, small group instruction and small class sizes all helped narrow the gap.
"To erase the academic ability gap entirely, it is important to tackle the problem in the educational institutions themselves. However, this is also a larger social issue," said study lead and Ochanomizu University Vice President Hiroaki Mimizuka. "It’s very important that we take measures to lessen inequality, including in employment."
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