PER DIEM CLINICIAN Transforming student mental health in schools. About Effective School Solutions Effective School Solutions (ESS) is a leading provider of school-based mental health services, serving 6,000+ K–12 students across 12 states. We deliver the level of clinical care typically found in private practice, out-of-district placements, or higher levels of care directly within public schools- providing a full continuum of clinical programming, professional development, and district consultation. #LP