Teachers spend hundreds or thousands of dollars for their classrooms for various reasons, including by choice.Getty Images; Jenny Chang-Rodriguez/BIThree teachers spoke to Business Insider about their classroom spending for the new school year.One teacher spent over $800 in the summer on Amazon purchases for her students.Another teacher raised money through GoFundMe but also had to use savings to buy items.Maegan Driver welcomed her kindergarten students with jellyfish dangling in her classroom and alphabet letters with underwater scenes that spell out "nice to sea you" next to sea creature cutouts on her door.She bought the items for her ocean-themed classroom with her own money.