This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. If an article link referred you here, you might want to go back and fix it to point directly to the intended page.
If the antecedent is a person who could be of either gender (e.g., teacher, doctor, student), we are obligated to use "he or she," "him or her," "his or her," as appropriate.
The antecedent of the pronoun is passenger (singular).
The antecedent of the pronoun is student (singular, male or female); thus, the correct pronoun is he or she.