I will update this post with resources as I receive them. You can always look at the Desoto County Schools website for updated information
One option for Wifi
This is a link to free wifi hot spots. They are updating this list as they come across them. All of these should be reachable from your vehicle. Please use common sense when using these public and private places.
https://www.google.com/maps/d/viewer?mid=1TMqHCgxAfmXA1s0UyV3NKol5X1fqcTTY&ll=34.663517048323335%2C-90.00248612851561&z=10
https://www.google.com/maps/d/viewer?mid=1TMqHCgxAfmXA1s0UyV3NKol5X1fqcTTY&ll=34.663517048323335%2C-90.00248612851561&z=10