> Possibly save up for a better backpack, possibly learn how to carry weight and do some exercises to strengthen your back, possibly re-arrange your schedule so

> Possibly save up for a better backpack, possibly learn how to carry weight and do some exercises to strengthen your back, possibly re-arrange your schedule so you aren't carrying as much weight at one time. I mean, I brought up high-school kids for a reason. They're carrying a bunch of weight mostly against their will, and they're generally smaller and weaker (incl. less muscle to "pad" parts like shoulders) than adults.