No, the warranty you speak of does not apply.
I would try to work it out with the school. You have a colorable argument for some reimbursement, but to fully work out an answer for you a lot more facts are necessary.
I don't understand why you don't pick your own classes. You have to understand the school's requirements and plan accordingly. Your school may be willing to work with you, but you don't have a case that I see.
Disclaimer: This answer is provided as a public service and as a general response to a general question, it is not meant, and should not be relied upon as specific legal advice, nor does it create an attorney-client relationship.