School officials have threatened a hearing-impaired girl with suspension if she uses sign language to talk to her friends on the school bus, the girl's parents say.

Danica Lesko and her parents say sign language is the only way to for the 12-year-old to communicate, especially while riding to school on a noisy bus.

The March 30 letter from her principal that said Danica was "doing sign language after being told it wasn't allowed on the bus."