Police say a substitute teacher from Great Neck was arrested Tuesday on charges he raped a Roslyn High School student.According to police, Timoteo Rodriguez, 29, developed a sexual relationship with a 15-year-old. In an alleged December 2nd incident, police say Rodriguez had a sexual encounter with the student after school hours, off school property.A Roslyn high school spokesperson says the school district learned of the alleged incident on December 6th. The district promptly suspended Rodriguez without pay pending the outcome of a police investigation. School representatives assured parents they run full criminal background checks on school employees.Rodriguez, of Great Neck, will be arraigned December 13. Police say he is being charged with rape, disseminating indecent material to a minor and endangering the welfare of a minor.