Make sure your bringing a sewing machine that is suitable for class.
The sewing machine is the "power tool" of sewing.
Investing in a good machine will usually make sewing an enjoyable experience and you can hang onto it for many, many years.
Of course you can always go to good old Spotlight to get your fabric, but it's always nice to explore some other options.
If you're planning on laundering your final project it's a good idea to launder your materials before cutting it for your project.