 AUSTIN, Texas--BUSINESS WIRE--American Campus Communities, Inc. NYSE:ACC, the largest owner, manager and developer of high-quality student housing properties in the U.S., today announced that its operating partnership, American Campus Communities Operating Partnership LP, priced a 400 million offering of senior unsecured notes under its existing shelf registration. These seven-year notes were issued at 99.928 percent of par value with a coupon of 2.250 percent and are fully and uncondition 