IPA: /ˈskuːlˌbæɡ/
KK: /ˈskuːlˌbæɡ/
A bag used to carry books and other supplies for school.
She packed her schoolbag with all the books she needed for class.
Schoolbag → The word is formed from "school" (from Old English *scolu*, meaning a place of learning) and "bag" (from Old Norse *baggi*, meaning a sack or pouch). A schoolbag is a bag used to carry items to and from a place of learning.
Think of a 'place of learning' ('school') where you carry your 'sack' ('bag') — that's what a schoolbag is for.
No commonly confused words.