I Just broke my lcd screen with a nerf dart!!!?

umm i was usin my other computer and i did NOT know that my MODDED maverick was ****** and loaded so i accedentally hit my lcd monitor most still works but it has a huge black dot where i hit it and THIS IS A RENTAL COMPUTER from k12 my schooling WHAT DO I DO i cant afford another one also any those big monitors wont work on my computer i tried already