Choose your Setting


Browse our extensive offering of assessment, monitoring, and evaluation tools for clinicians and mental health professionals. Our clinical assessments cover a wide range of mental health disorders across the lifespan.


Explore our collection of assessments for school psychologists, special education personnel, and counselors, used to assess and initiate plans for mental health, behavior, and learning concerns in K-12 students.

Public Safety

View these internationally recognized assessments designed to help correctional, probation, parole, law enforcement, and child welfare professionals identify, measure, and manage risks to public safety.


Explore a selection of scientifically validated assessments for measuring and managing talent. These tools are designed for use in coaching, organizational and leadership development, selection, and succession planning.

About Us

Helping you Help others

“Giving back, making a difference, building products that change lives is fundamental to who we are, and it’s the true source of the passion within this organization.” – Hazel Wheldon, Chief Executive Officer, MHS

Through excellence in our people and products, we are the leading developer of innovative scientific assessments that help improve the quality of life for individuals and communities around the world.


Recent News

Revolutionizing Healthcare Delivery: An Interview with Scott Millar

Healthcare institutions are grappling with significant challenges, including workforce and staff shortages, ever more technical processes and practices, and rising... read more

man talking to workers in a meeting room

Mastering Influence: Tailoring Your Style for Success

An individual's ability to influence others plays a crucial role in shaping team dynamics and establishing clear organizational goals. Influence... read more

Equity by design: How the Naglieri General Ability Test content and scoring promotes diversity and inclusion

It’s easy to recognize that gifted education programs have the power to change lives. Longitudinal studies have demonstrated that when... read more