Joseph Koetters has been sued by an unnamed former student , 30 . Lawsuit alleges that Koetters took part in a year - long sexual relationship with a 16-year - old student , which began in the 2000 - 2001 school year . Lawsuit also claims unnamed teachers and school officials are allegedly responsible for not ending the relationship . Woman moved forward after another former student wrote an online essay accusing Koetters of acting inappropriately toward her .
Joseph Koetters has been sued by an unnamed Marlborough student , 30 . Lawsuit alleges that Koetters took part in a year-long sexual relationship with a 16-year-old student , which began in the 2000-2001 school year . Lawsuit also claims unnamed teachers and school officials are held responsible for not ending the relationship . Woman came forward after another former student wrote an online essay accusing Koetters of acting inappropriately toward her .