Okay so I have a dell latitude 7480 with windows 10, and I tried installing parrot os alongside it. Successfully. Now I have to uninstall it because it's causing issues with online school. I tried deleting the parrot partition and now I'm kinda stuck I can boot into bios and when I boot parrot it lets me switch back and forth but I have been unsuccessful in finding a way to remove parrot safely..any help is appreciated. also I can access the grub loader and boot windows. Not sure if there's a better place to post.

Presuming the BIOS you refer to is actually UEFI firmware (rather than the old BIOS firmware), you should be able to simply set Windows as the default boot entry, and no longer see grub.
Windows has recovery tools too, but I always used a USB to do that - years ago.

Fixing the Windows loader from a dvd/usb might work. I'd make a backup of the entire drive before you do too much.

Might configure grub to just load windows?

So I can get into bios but it only gives me what I believe to be legacy options(i.e. USB drive, diskette drive,onboard nic, and I think m.c2 or something similar)and I'm scared to switch it to uefi cause it's says, "if you do this with raid on your system may not boot at all" type stuff.

Yuck - typical Windoze crap.

OK, if you truly are using BIOS, then you need to replace the current GRUB loader code in the MBR with the NTLDR code for Windows. If you can boot into win10, create a recovery drive there and boot that - select "Troubleshooting" (I think), then fix the bootloader.

All done.

Odd, what does that mean? In any case, whatever you did to try to delete Parrot obviously didn't work as you would definitely not be able to boot it. Explaining what you actually did would have been useful.

The standard method to do what you want is to use windows to install its bootloader (BCD) to the MBR using some windows tool as suggested above as you indicate you are using a Legacy/CSM install. After that you would simply use the windows Disk Management tool to format the Parrot partition(s). When making changes to windows partitions, you should always run chkdsk after.

In answer to your question the program I'm enrolled in must be able to tell if someone has software that could be potentially harmful or inclined towards negative behavior. Also, I deleted the partition parrot was installed in but got the grub's version of "no bootable device found" I think so I used the USB I created to install parrot to put it back and in the process screwed something up im guessing. But still able to boot into grub and therefore choose between windows 10 & parrot.