In many of my schools I work with teachers and speech-language pathologists who enjoy doing groups together to help students develop their academic, communication, social, fine motor and self-help skills. Doing monthly groups with them lets me see:
1. Communication skills I never knew my students possessed,
2. Gaps in their fine motor and self-help skills that I need to address,
3. How thoroughly other staff members know the ins and outs of my students' personalities,
4. Excellent motivational methods for working with my students when they are having behavioral
Because we have everyone from the class participate in the group, either as a whole group or in smaller groups, I end up working with students who are not on my caseload and the SLP sometimes ends up working with one of my students who is not on her caseload--no biggie.
Here's an activity ("Hunt the Heart") I gleaned from the Recreation Therapy site, adapted for a group of middle schoolers with significant intellectual and physical disabilities: