Starr Commonwealth has some good trainings and I see they are at a significantly reduced price right now: https://starr.org/product/trau...d-resilient-schools/
The Alberta Family Wellness Brain Story Certification may be what you are looking for too: https://www.albertafamilywellness.org/training
Just last week I did a workshop titled Advocating for Trauma-Informed Care: Teachers and Caregivers that you might be interested in: https://www.youtube.com/watch?v=0bF-o6m8psk
Joe Brummer's Building a Trauma-Informed Restorative School is a great read: https://www.joebrummer.com/book/
Elena Aguilar's Onward: Cultivating Emotional Resilience in Educators is also well-worth the read in moving towards TIC in schools: https://www.onwardthebook.com/about-onward/
These are the resources that come to mind