Android - Application Manager - Disable multiple apps at once?
You can hook the tablets one-by-one up to a computer with ADB drivers installed and USB debugging turned on in the tablets' settings, and run a .bat file with the list of stuff to disable which will look like this:

adb shell pm disable com.trash.application
adb shell pm disable com.more.bloatware
[...]


It's that easy! Root may be required depending on device.

Here's an example on XDA: Bloatware disable in .bat file