. >> reporter: the students in jeremy taylor's fifth grade class in union city, california, are goingigh-tech, using tablets to learn lessons and writing computer codes to program this digital ball to move. taylor paid for these gadgets the through crowd funding, raising money on sites like gofundme.com and donors choose.org. >> i can dream bigger now and not be limited by the textbooks or what has decided to be in the classroom. oh, a 3-d printer? interesting. what would that look like in the classroom and it has changed the dynamic of what the kids see as possible. >> reporter: as student across the country go back to school, teachers are increasingly turning to crowd funding to pay for classroom expenses. teachers create a campaign online for supplies, technology needs, even field trips. then set a dollar goal that people can contribute towards. and the sites take a small percentage or fee from the donations. donors choose dot-org and raised more than $100 million in its last fiscal year, a record and $33 million in just the last two months alone. gofundme.com, a general crowd fund