Twitter, not Facebook or Myspace, is the social network of choice for Prince George’s County students and many African American youths nationally, according to a story published today by my colleague Robert Samuels.

William Blake, assistant principal of Henry A. Wise Jr. High School in Upper Marlboro, holds his iPad displaying the movie message that he tweeted to his 1,707 followers last Friday. (Mark Gail/THE WASHINGTON POST)

A Pew Research Center study found that black teenagers were three times as likely to actively use Twitter as white or Latino teenagers.

Researchers say the social network’s popularity among black teens started with early adopters such as hip-hop artists Jay-Z and Kanye West, Samuels reported.

Samuels follows the story of 27-year-old assistant principal William Blake, who is trying to connect with his students at Henry A. Wise Jr. High School via Twitter — and to keep the conversation positive. Check it out.