As Bil posted yesterday, GLAAD is asking people to wear purple today to support LGBT teens. If you're not currently dressed, consider it.
Also, Hillary Clinton did an It Gets Better video, and she made sure to tell people to "ask for help." A big motivation to change high school climates is going to come from the students themselves, the ones who are willing and ready and able to stand up for what's right and talk about the immense cruelty of their peers and force schools to act, as analysis from us grown-ups tends to be limited to what we can see in the outside world.
In related news, I just learned that the president does not send letters of condolence to people in the military who die by suicide. Kind of just shows how far our country has to go to take suicide seriously.