At least one

At least one study found that the higher the percentage of girls in a co-ed classroom, the better the academic performance for all students (both male and female). Professor Analia Schlosser, an economist from the Eitan Berglas School of Economics at Tel Aviv, found that elementary school, co-ed classrooms with a majority of female students showed increased academic performance for both boys and girls. In high school, the classrooms with the best academic achievement were consistently those that had a higher percentage of girls