The moment I opened the group chat, my name was the first thing I saw

This is for you, unable to close the chat as messages targeting you continue in your school group chat.

Scenes

There were strings of laughter after my name — I opened the school group chat, and strings of exclamation marks followed comments aimed at me. This is your story if you froze, unsure what to do first.
I can’t close it—I’m afraid it’ll get worse if I leave — I’m afraid I’ll miss something if I don’t read it, and that they’ll say I got scared if I leave. Pausing first isn’t backing down.
I kept writing and deleting my reply — In the classroom after evening study, I kept writing and deleting my reply. The notifications kept ringing, and the friends’ reactions quickly piled up.
Document it before fighting back — If you fight back, the conversation may turn into a battle of reactions instead of a search for the facts. Save the screen and time first, so you can calmly decide the next safety boundary.
Save the screen instead of replying — Tonight, capture the chat in order with the date visible. Then you can mute notifications for a while. You don’t have to reply right away; the record will remain.
You don't have to handle this alone — If the walk to school or the classroom still feels unsafe after documenting everything, look at both the messages online and your safety in real life. First check where you might run into them, then show your record to a trusted adult and talk it through.