Hi Steve! What a phenomenal situation! It is amazing the number of young adult learners that graduate high school and beyond without having a learning disability identified or addressed - and they have so much to offer. You're right on target about watching and listening to determine student challenges. As busy as our classrooms are, helping challenged students really is on an individual, case-by-case basis. The seasoned instructor has learned to balance time spent among planned presentation and activities, individual attention to special needs, and working with the students that are more likely to be overlooked - the "stars" who may need to have the bar raised or their creativity stimulated. I suppose it really just gets down to observe, create, see, hear and do!