Most schools I've seen have tuition installment plans in which you don't have to pay the entire tuition upfront but instead make monthly payments. You could make a google search: tuition installment [insert school name].
Or just ask your Financial Aid office.
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App Sent: 06/12/2013 to Phoenix lockbox, routed to Nebraska.
G-1145 Notification: 6/24/2013
Biometrics Letter Received: 07/07/2013
Biometrics Walk-In: 07/09/2013
Approval!: 08/27/2013