This is a bummer and a heartbreak but it may not be as simple as making a call after the fact and mentioning a disability. (I guess one could try). You may need to flip your thinking around with respect to what it means to have a learning disability in college. Documented disabilities mean something different in college vs. K-12. In K-12, education is a right that must be provided and the Individual with Disabilities Education Act (IDEA) requires that support be provided to achieve an education. The emphasis is on success including graduation. A college education however is not considered a right. The ADA (American Disabilities Act) governs what happens in college and the goal is to remove barriers so that those with disabilities can participate. It is however, entirely up to the student to seek out accommodations and to provide documentation to support the need. Success and graduation are not guaranteed in college and this also applies to admission.
@Jrz88, if your son was eligible for accommodations for the SAT / ACT test and he didn’t request accommodations, that’s really where you should start. It may be his best shot at getting over the minimum score threshold for schools like TSU. Things like extended time, ability to write in the book, type the essay, private room test taking, a scribe, and many others can be offered if eligible. It’s not too late for another crack at the tests with accommodations if you already have current documentation that indicates need, especially if it involves specific accommodations that he was already receiving in high school. It’s also not too late to be sure your list includes test optional schools. Hang in.