My daughter went on a band trip every year she was in High School. We DID pay for the airfare or bus fare and expenses but they also had to pay to transport all of the equipment and a million other little expenses. Plus there were families who simply could not afford it and it helped them out. They had everything from bake sales to car washes to yard sales to rent-a-kid, you name it along with fundraising letters. Amazing that when kids go out and actually try to earn a way to do something people can find a way to mock it.