BSD meaning in Community ?

Bellevue School District No. 405 (BSD) is a public school district in King County, Washington, United States, that serves the communities of Bellevue, Clyde Hill, Medina, Hunts Point, Yarrow Point, Beaux Arts, and portions of Newcastle, Kirkland, Issaquah, Redmond and unincorporated King County. As of October 1, 2016, the district has an enrollment of 19,974 students.

The Bellevue School District includes 28 schools: 15 elementary schools, 1 Spanish immersion elementary school, 1 Chinese immersion elementary school, 5 regular middle schools, 4 regular high schools, and two district-wide choice schools (grades 6-12). The district has a staff of about 2,900 employees, including about 1,500 teachers.

In 2013, Newsweek magazine named Bellevue, Interlake, International, Newport and Sammamish to its list of "America's Best High Schools". In 2013, The Washington Post placed Bellevue, Interlake, International, Newport and Sammamish on its list of "America's Most Challenging High Schools". In 2013, U.S. News & World Report ranked Bellevue, Interlake, International and Newport among its "Best High Schools".