sentences:  They have reported cases of abuse by Junior Reserve Officers' Training Corps (JROTC) instructors, as well as credentialing issues, and of having students forced into JROTC due to lack of space in Physical Education classes have been noted in Los Angeles Unified Public Schools.The group claims 2006 showed a reduction in JROTC enrollment in Los Angeles, with a drop of one-third or approximately 1,500 students, suggesting part of the explanation is efforts to stop the involuntary enrollment of students into JROTC.At Roosevelt High School in the Boyle Heights section of Los Angeles, a local campaign against JROTC cut the number of cadets 43 percent in four years, with a JROTC instructor reporting a 24 percent drop in enrollment from 2003-04 to 2006-07 for the rest of the Los Angeles Unified School District.