The other reason I wasn't down at the game was because I was on my way to say good-by to old Spencer, my history teacher
Potential symbolism? The history teacher could represent Holden’s past, which he claims he is willing to let go of (saying ‘good-by’). Which is ironic considering just how much time he spends deliberating over past events. Yet another Caulfield contradiction.
To help improve the meaning of these lyrics, visit "The Catcher in the Rye (Chap. 1)" by J.D. Salinger and leave a comment on the lyrics box