Our research-based DESSA
assessments provide our partners
with an SEL foundation rooted in the
promotion of assets, not deficits.
Because when we start with strengths, we end up stronger.
We Set the Standard for Research-Based SEL Assessment
With over 65 years of combined research and SEL experience, our team has carefully developed the DESSA suite of assessments to meet the needs of students and educators. Based on and exceeding CASELTM standards, the DESSA reveals an in-depth, comprehensive view of student social and emotional skills.
Trusted by Johns Hopkins University, American Institutes of Research (AIR), the Rand Corporation, City Year, and the Y of the USA for use in major studies
Rooted in Resilience and SEL theories
Designed on the same proven models as RTI & MTSS
130+ peer-reviewed studies
All measures meet or exceed industry psychometric standards
Only screener to meet universal criteria set forth by the World Health Organization
DESSA-mini is the quickest strength-based universal screener (1 minute per student)
DESSA-mini accurately predicts social and emotional competence
Who We Serve
A scalable SEL solution for K-12
The Aperture system grows with your students and staff. From teacher-based ratings and strategies at the elementary level, to
student- and teacher-facing assessment and strategy software for high school students and staff.
While You’re Supporting Students, We’re Supporting You
Our dedicated Success Team is committed to helping you plan implementation, receive training, ensure adoption,
provide product support, and assist you in strategic planning.