Answer :
thanks you to: mwestwood | College Teacher | (Level 3) Distinguished Educator for more help on my answeringThere are at least three themes in "Through the Tunnel":Maturation In the beginning of the story, the eleven-year-old Jerry is attached to his mother, watching for the "yellow speck"Rite of PassageSensing that the older boys find him childish because they can do things he cannot, Jerry practices until he, too, can pass through the long underwater tunnel.
Alienationwithout a father, Jerry spends most of his time with his mother.