I teach adaptive PE with these kids. Unfortunately I don't ever get a chance to get them in a pool. That would be so cool. You just need to work with each kids ability and keep it fun. The amount of conditioning and stroke development will be unique to each swimmer and their ability to comprehend and apply what your doing. They really like peers, if you can get some swimmers of the same age to help you be part of the workout that would be great! Best of luck to you!