Talk  to many  probation and parole officers and judges.  They will tell you that lifetime criminals usually run out of gas,  the energy and will,  to commit crimes sometime in their mid to late forties.  They tire of the hard work to be in jail,  or the hard work to be a criminal.  Criminal fatigue.  Which makes the issue mostly of how to deal with testosterone driven young males and very angry young females.   

I would,  if I had the power,  make public education gender specific from grade 1 to at least grade 9.  Boys in class with boys,  with preferably male teachers,  and girls the same.  Those hundreds of millions of dollars of education and psychological,  sociological research tell us in no uncertain terms that boys are developmentally up to two years behind girls at age 6-7.  So our bright leaders and educators push coed classrooms,  which provides a nice mixing of oil and water, and expect equal  outcomes for both genders.  Has it worked?  Get over the cultural bias and do it