Linda Cortez, 18, of Pemberick Road, was charged with breach of peace, said Lt. John Slusarz.
Police did not offer a reason for the physical fight.
The other teen, considered a juvenile under state law, was also arrested and is being handled through the juvenile court system, Slusarz said.
Cortez was arraigned and released without bail.
Click here to follow Daily Voice Bridgeport and receive free news updates.