As dark as it sounds, this is part of the purpose of stochastic terrorism.
To make you feel unsafe anywhere, at any time. To nearly always be in a state of shock.
The shock you feel is normal, and you should try to find healthy ways to deal with that shock and overcome your shock.
As rightly considered in the book The Shock Doctrine, societies under shock are easier to control, which is why constant shocks of stochastic terrorism have helped increase police budgets in a time period where no one trusts the police and considers them a government-sanctioned group of thugs who will lie, cheat, and steal to ruin your life.
Shock passes, and we must attempt to be resilient against these shocks by understanding what is going, communicating with others about the situation and how we must resist shock, to providing mutual aid for others who are also in shock.
What can we, the denizens of Lemmy, offer you, in these trying times?
EDIT: I'm so used to this being a US problem I didn't even realize this might not be about the US.
I don't know what to even do, I feel every emotion at once, none of them good.
I didn't even know anyone of the people who died or were hurt.. and I can't even possibly imagine the grief the parents, friends and partners are going through.
If this happened to my friends... my sister? My girlfriend? I don't even want to think what I would have done.
It might be helpful to try to organize those thoughts on your loved ones into something constructive?
If it has made you face the mortality of your loved ones, perhaps write them letters about how important they are to you, and how this event has damaged you but also helped you uncover how strongly you care for them.
You're on an emotional rollercoaster. I'm sure they are, too. Telling them how much you mean to them can spark a conversation that may help you both process your feelings on the matter.
Know that it is very normal what you are feeling right now, to be hurt, sad, angry, confused and every other emotion. Hopefully a shared moment of grief will be organized. Go there, join in grief with your fellow students and give a hug to whoever needs it. It might not feel like it yet, but it will help.
How do you know what was the purpose of the attack? I can't find anything in the media on his goals.
which is why constant shocks of stochastic terrorism have helped increase police budgets in a time period where no one trusts the police and considers them a government-sanctioned group of thugs who will lie, cheat, and steal to ruin your life.