In the end of the movie, the students don’t want the teacher resign because of in the song,To sir,with love sad to him “I know that I am leaving my best friend. A friend who taught me right from wrog.” A student girl,LuLu sings dearly. And they give him a gift.
Finally, The stdents is mocking his gift and joking that they will be in class next semester. The teacher realizes that he has a job to do.