According to the article:
Two school districts representing thousands of Tennessee students were sued Tuesday for blocking access to web sites discussing lesbian, gay, bisexual and transgender issues, but are not filtering sites advocating “reparative” therapy to change their lifestyle away from being gay.
Last month, the American Civil Liberties Union asked the Knox County Schools and Metropolitan Nashville Public Schools to stop the practice. Evidently, they didn’t. So the ACLU made good on its promise, and sued the districts in federal court on Tuesday.
Read the full article at wired.com. (I hate when people/press use the word "lifestyle.")