CA1/3

BACKGROUND

Appellant was at Contra Costa County Juvenile Hall in October 2015 when he and two other juvenile hall residents assaulted another resident in a classroom. In a second

1 The court below referred to the authority to which the appellant was committed as the Division of Juvenile Justice, or DJJ, which oversees the DJF. (In re Jose T. (2010) 191 Cal.App.4th 1142, 1145, fn. 1.) The DJF was formerly known as the California Youth Authority (CYA). (Ibid.)

1 supplemental juvenile wardship petition filed in November 2015, the district attorney alleged that appellant committed felony assault by means of force likely to produce great bodily injury. (Pen. Code, § 245, subd. (a)(4).) The district attorney further alleged the offense was committed for the benefit of a criminal street gang. (Pen. Code, § 186.22, subd. (b)(1).) Appellant entered a no contest plea to the assault allegation. In exchange for his plea, the court dismissed the gang enhancement allegation at the prosecutor’s request. At the dispositional hearing, the juvenile court continued appellant as a ward of the court and committed him to the DJF for a maximum term of five years four months, less credit for time…