Here are a few resources for trauma-engaged practices to use at school.  
On the website, you will find Ecourses and other articles. Great resources here!

The Sources of Strength  website is a national youth suicide prevention program. Here is there mission statement:
Our mission is to provide the highest quality evidence-based prevention for suicide, violence, bullying and substance abuse by training, supporting, and empowering both peer leaders and caring adults to impact their world through the power of connection, hope, help and strength.

Lastly, attached is theTransforming Schools booklet specifically for Alaska schools.