(CNN) The teenage girl screamed and fought with the school security officer when he tried to check her bag. “The police later told me she had dirty clothes in her bag because she was homeless and didn’t want anyone to know,” Akbar Cook, the principal of West Side High School in Newark, New Jersey, told CNN. “She was fighting for her pride.” Cook said many students at West Side faced humiliation because they didn’t have anything clean to wear. So when school starts September 4, there will be a new facility in the building: a free laundromat. Students pick out their favorite detergent in the new laundry room. School laundromat: Principal installs one when students are bullied dirty clothes