social media nor communications, and to those For both girls and boys, academic scores tend to be lowest for those with no internet use, highest at moderate levels of use, and sharply lower at hour). Above that <l hour category, the average high levels of social media use. School attendance rates of social media use. Boys show a different pattern, with increases from no communications activity to a high point in the O to 3 hour range, at higher rates of social media use. For feelings of school belonging, the curve is flatter, with the