applicants, making its acceptance rate less than 11 percent, the most selective corps in its history. Between 2008 and 2013, acceptance rates hovered around 11-15 percent. Between 2014 and 2015, the organization maintained a 15 percent acceptance rate despite dropping application numbers. Receipt of philanthropic funds Teach for America lists many of its significant contributors on its website. The list includes foundations, individuals, corporations, and public and investor categories. Among the biggest donors to the organization are the Walton Family Foundation, which has donated to TFA since 1993. In November 2015 the Walton Family Foundation announced a gift to TFA of $50 million over three years to support recruitment efforts and professional development for 4,000 new teachers across the country. Arthur and Toni Rembe Rock are listed as Champion Donors on the organization's website, having donated more than $5 million. The organization's annual Social Innovation Award is named in their honor. The Arthur & Toni Rembe Rock Social Innovation Award is open to current TFA corps members and alumni. Winners receive $100,000 to build education-focused social ventures. In 2011, the Eli and Edythe Broad Foundation was the first philanthropic organization to commit to the endowment fund with a pledge of $25 million and called upon other funders to match this figure. Three additional philanthropic donors—the Laura and John Arnold Foundation, the Robertson Foundation, and Steve Mandel—stepped up and each provided $25 million in matching funds. See also References External links Teach For America 1990 establishments in the United States AmeriCorps organizations Educational organizations based in the United States Non-profit organizations based in New York City Service year programs in the United States