While keeping lists of resources such as TED talks and book lists can be helpful, sharing the Davidson
Educators' Guild may be very effective ongoing as it helps teachers/administrators join a supportive environment in which they may learn and absorb great tips and insights from experts and peers.
If documenting a negative incident, you may wish to be brief, avoid emotion, and describe each observable fact clearly in chronological order. While it never hurts to create dated documentation, parents will want to choose wisely which documentation to share (and when), and which items to keep to themselves at home.
