The authors present a three-year case report for an adolescent student with Autism who has academic, behavioral, and mental health needs requiring collaborative school-based intervention. The case report outlines specifically how the student's mental health needs were supported through the application of a relationship-building framework. The authors discuss how elements of the Establish, Maintain, Restore intervention were applied to the therapist-student relationship. Results of the intervention consisted of stable connections with school staff and academic support for the student's educational success. Major takeaways and implications for school teams are discussed.