Works for us:
http://www.harborfreight.com/horizon...saw-93762.html
Change out the included blade for a bi-metal blade. Add larger wheels to make it more portable (if portability is needed). Look at adding a vertical table that would enable you to cut on a table without having to remove the table when you want to cut horizontially. (see yahoo bandsaw group)
Also, look for 20% off coupons, check further for additional sale prices. Should be able to get for $179. Also talk to the nearest store manager saying it's for a school. Big doey eyes might also help. <grin>