Learning through examples in manga
Chiya suggests she and Cocoa go to school together so that (Cocoa) will not get lost.
After visiting Chiya’s family’s café, Cocoa tells Chino and Rize they need to work hard so that their customers will be satisfied.
Hearing Rize has never swam before, Cocoa suggests they start special training so that Rize can swim.
ように following a plain (dictionary) or ない form of a verb indicates the purpose of or motive for an action. It is similar to “so that” or “in order to” in English.