Joanna Ramos suffered an injury during a fight in February , then died . Los Angeles District Attorney 's Office declines to file charges . Police say Ramos and a classmate had challenged each other to an after - school fight . It lasted less than a minute , and no weapons were involved , police say .
Joanna Ramos suffered head injury during a fight in February , then died . Los Angeles District Attorney 's Office declines to file charges . Police say Joanna and a classmate had challenged each other to an after-school fight . Fight lasted less than a minute , and no weapons were involved , police say .