Sars accepted the DonorsChoose challenge to raise $35,000 in 31 days. She raised it in 48 hours. She’s since raised nearly $15,000 more. She’ll be donating $5,000 of her own money, too. Want to make sure she stays on top of the leaderboard?

DonorsChoose is a site where teachers can solicit donations for specific classroom projects, like equipment to create a class podcast for ESL students or buy art supplies for kindergartners. You pick what projects you find most compelling.