[Because 10032 wants to know everything about Touma.]
'But based on various transmissions from yesterday, it appears that many of the attendees are also not involved in Marina's education system.' MISAKA doesn't follow your logic.
'Also, clothing is easily obtainable unless you plan on spending an inordinate amount of time to pick an outfit.' MISAKA adds, implying there's still time if you wanted.
[She's just countering all over Touma's excuses. Not being pushy at all. Nope.]