Prosecutors say the alleged assaults took place on the /*Compton High School*/ campus between Sept. 1, 2008, and April 21, 2010. One of the alleged victims was 15 at the time and the two others were 16.
The 28-year-old Ocana is scheduled to be arraigned Tuesday in Compton Superior Court. He's being held on $390,000 bail.
Ocana faces up to six years in prison if convicted of all counts.