“Girls in the criminal justice system report far higher rates of in-home sexual abuse and are detained for minor offenses more often than boys, in what becomes a self-perpetuating cycle of imprisonment.” Girls in Juvenile Detention are often the Victims of Family Abuse, Report finds , here is the link to the report discussed in this article Gender Injustice.
This article is a good compilation of the studies out there that with most kids less (probation supervision/conditions) is more. Case Now Strong for Ending Probation as a Default Disposition in Juvenile Defense.
This is also what former (acting) Mass. Commissioner of Probation Ron Corbett says about probation generally in his article The Burdens of Leniency: The Changing Face of Probation.