What is a website to acess facebook from the memphis city schools computers

There are some proxy sites that will go around a block but it depends on how the school's system works. If it allows only approved sites and blocks all others, you can't get to Facebook. I would suspect a city the size of Memphis would work that way.

If you want to try anyway, google "unblock facebook" on your school computer you'll see them. Also be aware that some school systems monitor who is trying to defeat the block.