I have no comment except WOW. To note, SPS former chief academic officer, Carla Santorno, is the superintendent of Tacoma PS. (I want an interview.)
Here's the press release from Tacoma Public Schools Communications (bold mine):
TACOMA, Wash.—Tacoma’s graduation rate for the Class of 2015 reached 82.6 percent – the highest since the state began officially tracking the statistic in 2003 and the fifth straight year of gains, according to data submitted to the state by Tacoma Public Schools.