Trauma Resource Institute: Community Resiliency Model: https://www.traumaresourceinstitute.com/
Committee for Children, Second Step Bully Prevention Curriculum (APJN has the preschool through 6th grade sets if you would like to look at them): http://www.cfchildren.org/second-step.aspx
Responsive Classroom: http://www.responsiveclassroom.org/resources-educators
Teaching Tolerance: http://www.tolerance.org/supplement/resources-and-project-partners
Teaching Tolerance: https://www.tolerance.org/
Educators for Social Responsibility: http://esrnational.org/resources/
Free Spirit Publishing: http://www.freespirit.com/bullying-conflict-resolution/