Here are 10 tips for using planning time more effectively. I know for me, when planning time comes, I'm sometimes so tired that I get nothing done. But these tips are great to better use your time when collaborating with co-teachers.
This article from Teaching Exceptional Children gives a thorough overview of the benefits and challenges of co-teaching to facilitate the inclusion of special needs students. The article contains excellent guides and suggestions for planning and managing the co-teaching experience that can be used by all teachers.
I love this website. I started out using it for its Co-teaching videos and then noticed all the other great resources they have. Check out the co-teaching models and the co-teaching blog. I could get distracted looking at this page for far too long.
This website has some great tips for assigning roles and trying various responsibility balances. The advice can be used for student teachers and cooperating teachers working together in classroom, but it can also apply to permanent working relations. Also check out the link at the bottom of the page to find Strategies for Expanding Time for Planning.
These six steps to successful co-teaching are great. I love that they focus on developing relationships and building trust between teachers. You can plan the best lessons in the world but if you and co-teacher don't have a solid working relationship, the lesson could still be unsuccessful.
This document goes really in depth about how co-planning and co-teaching should look. Not necessarily in practice but in terms of results. It walks you through the process of pre-planning, assigning roles, and reflecting to ensure that your students are getting the best outcomes possible.