Question would be, is a school noticed as to your disability? That, of course, would help that the school is not on notice. A concern would be if the school has an obligation to respect, say, the disability or potential disability accommodations. It's not unusual where disability is, say, diagnosed after a student has such a concern. They can face academic sanctions, including the possibility of dismissal at their school, only to learn later that they have a documented disability. It's not an unusual situation, but ultimately, if the school, say, has overlooked or not respected a person's disability accommodations under the Americans with Disabilities Act, the ADA, for example, steps would have to be taken to put the school on notice as to that concern and to request that the school correct the issue. It is a nuanced consideration.
It's going to be case and fact specific, but having an experienced attorney advisor can help you best understand what your rights are and will be best moving forward to try to correct the issue. Academic sanctions or disciplinary proceedings because of a disability, they should not be taking place, but you can't depend on the school to be reasonable. You need to have somebody in your corner, who's there to protect and have your rights protected moving through the process. They should be involved as early as possible in a case.