A new study has discovered that U.S. students achieve better results in reading and mathematics tests when they stay in elementary school for grades six (age 11–12) and seven (age 12–13), rather than transfer to middle school. In contrast, students in grade eight (age 13–14) achieve better results in middle school than high school.
Click here for original story, Staying at elementary school for longer associated with higher student attainment
Source: Phys.org