Sydney schoolboy charged with sex assault, second teen accused of filming incident

A teenage Sydney schoolboy has been charged for allegedly sexually assaulting a girl earlier this month.

NSW Police on Tuesday said the 15-year-old was charged with aggravated sexual assault against the girl of the same age.

He will appear at a children's court on April 4.

Another 15-year-old who allegedly filmed the incident is before the courts.

He's been charged with filming and disseminating child abuse material.