Philip Chism, convicted of killing Danvers teacher Colleen Ritzer, will not get a new murder trial or be resentenced.

Philip Chism was convicted in the 2013 death of Danvers High School teacher Colleen Ritzer. He was 14 when he followed Ritzer into a school bathroom, strangled her, stabbed her at

Philip Chism, convicted of killing Danvers High School math teacher Colleen Ritzer in 2013 when he was a 14-year-old student, will not get a new murder trial or be resentenced.

The state’s highest court denied a new trial for Philip Chism, who was convicted of raping and killing his Danvers High School math teacher in 2013 at age 14.

The man convicted of raping and killing a high school teacher in Danvers, Massachusetts, was denied a chance at a new trial or resentencing. Prosecutors said Philip Chism killed Colleen Ritzer in 2013,