DALLAS, 2016-Jul-20 — /EPR Retail News/ — Staples, Inc. (NASDAQ: SPLS) announced that every Dallas teacher-led project posted on DonorsChoose.org received full funding as part of Staples’ $1 million donation to DonorsChoose.org, a charity that has funded more than 700,000 classroom projects for teachers and has positively affected more than 18 million U.S. students. As part of…