Qu'est-ce que tu portes ? means 'what do you wear' in English.
"Qu'est-ce que tu portes à l'école ?" means "what are you wearing at school?" in French
'Tu portes des lunettes' if you are talking to one person, or 'Vous portez des lunettes' if you are talking to more than one person.
qu'est-ce que tu portes ?
What are you wearing today?
it means what are you wearing for school
What do you wear when you go to college?
tu portes
Qu'est ce que tu portes? or Qu'est ce que vous portez? (polite)
It means- How are you behaving
que tu
Do you wear a raincoat when it's hot?
Do you carry an umbrella when it rains? (we wouldn't say this in French)