“Therapeutic residential school” is a term that reminds me of elan.school. I don’t know if it’s anything like that, but I know the Elan school wasn’t unique.
Edit: Found this about it on Reddit:
Meadowbridge Academy, Swansea, MA, is run by Justice Resource Institute--an organization that has gotten into trouble for running abusive programs. In 2017-2018, the Disability Law Center (Massachusetts Protection and Advocacy Agency--every state has one) investigated Meadowbridge Academy due to complaints regarding sexual abuse of students and neglect. The DLC report reports that Meadowbridge Academy terminated those involved and has made significant changes in response to this incident. JRI is a member of NATSAP, the trade organization representing the Troubled Teen Industry--an organization no legitimate non-profit would want to be associated with.