TeachAll is an AI lesson-planning assistant for tutors working with neurodivergent learners. With minimal input, it generates personalized lesson plans, syllabi, and homework in minutes. Despite 1 in 11 learners falling into the neurodivergent gray zone, tutors face time, resource, and knowledge gaps when it comes to supporting these student. TeachAll uses AI and educational research to deliver effective, evidence-based support tutors can trust.