A 15-year-old boy was stabbed to death in a hallway at his high school in Framingham, and a classmate was charged with murder after blurting out "I did it, I did it," authorities said.
Investigators would not comment on a motive for the attack.
John Odgren, 16, was jailed without bail and was to be tried as an adult in the slaying of James Alenson, authorities said.
