According to this, http://www.necn.com/news/new-england/Teacher-Suspended-For-Rescinding-College-Letter-After-Swastika-Incident-412614413.html the teacher called the college to rescind her rec. She then told the student, who told his mom.
His mother complained to the principal.The teacher was reprimanded for bullying and “conduct unbecoming a teacher.” She’s appealing.