FILE - In this Jan. 28, 2016, file photo, Christopher Plaskon stands during a hearing in Superior Court in Milford, Conn. Plaskon is charged with murdering classmate Maren Sanchez, 16, in a stairwell at Milford's Jonathan Law High School on the day of the junior prom on April 25, 2014. Attorneys said at a hearing Tuesday, Feb. 23, 2016, that a possible plea agreement had not been reached to resolve the case against 18-year-old Christopher Plaskon. (Brian A. Pounds/Hearst Connecticut Media via AP, Pool, File)

Teen accepts plea deal in deadly 2014 stabbing

News 8 has learned a Milford teenager charged in the 2014 death of a classmate has pleaded no contest to murder.