First graders will be the death of me. Help.

I don't want to say I hate first graders, but right now they don't like me, and I don't like them. Doesn't matter what class, what school, if I'm subbing for the main teacher or extra curricular teacher, like art. I just cannot get a handle on first graders.

PreK and Kindergartners? Piece of cake. Upper elementary? I can handle them. Middle school? Easy to reason with. High School? Pretty self sufficient. Special Education? A total joy. First grade? Total out of control chaos and disaster.

They will be the absolute death of me and I need some serious help and wisdom. I have tried all the calls and chimes and they don't last more than 15 seconds. If you have anything to share that will help, please please let me know, because right now I have no idea how to handle them (and I seem to get assigned to first grade nearly every time I do elementary). The universe is trying to teach me a lesson I guess and I'm sending out an SOS.