Other books really useful in the school setting:
Help for Billy - Heather Forbes
Helping Traumatized Children Learn - Massachusetts Advocates for Children
Beyond Behaviors - Mona Delahooke
Bruce Perry has a great set of videos he's made available for COVID: https://www.neurosequential.com/covid-19-resources
Underneath all of this I think we need real systems work. I highly recommend Peter Senge's Schools that Learn and Belonging Through a Culture of Dignity by Cobb and Krownapple. Also Zaretta Hammond's Culturally Responsive Teaching and the Brain
At school one needs to ask, what is resilience and how do you build it? Our approach is an integration of SEL and Discipline (so students see SEL in action - even when the going gets rough) and into that, add trauma informed practices and culturally responsive teaching. You end up moving away from compliance into community - away from punishments and rewards into a culture of growth and repair and internal motivation.... it is quite a culture shift - and it makes a difference.