No Stardom Until After Homework

IT was a Monday when Benni Cinkle, a 14-year-old high school student from Anaheim Hills, Calif., received a text message from her classmate Rebecca Black saying that an unofficial fan page devoted to Ms. Cinkle had popped up on Facebook.

This was just a week after the amateur video for Ms. Black’s now-infamous song, “Friday,” in which Ms. Cinkle had a blink-and-you’ll-miss-it cameo, began its viral Internet ascent.