The mentor’s overall role is to promote the growth and development of the beginning teacher to improve student learning. When new teachers are hired, they are given a full program and are expected to impact student learning immediately without the benefit of any period of apprenticeship. New teachers essentially have to learn how to teach while on the job. Mentors are critical supporters in guiding new teachers to enhance their planning, instruction, and content knowledge. Mentors help orient new teachers to the school community and to teaching in general. Mentors also serve as collegial and emotional support for this challenging phase of a teacher’s career.
~New York City Department of Education, Mentor Resources, November 23, 2015