We support educators in thoughtfully and thoroughly tracking the entire student journey with our learning assessments and measurement tools.
Achievement Assessments for the Classroom
Well-Being Survey + Social and Emotional Inventory
why erb?
ERB is a not-for-profit member-based organization with a nearly century-long history of serving independent schools. We help schools, educators, and families to be a part of unlocking student potential.

whole child.
whole potential.
We are committed to understanding the whole student. With ERB's Whole Child Solution, schools can bundle our academic achievement assessments with our measures of social-emotional skills and student well-being at discounted rates.
The legal merger of EMA and ERB is now complete, officially creating E3n—an organization dedicated to strengthening independent school communities and supporting the students and families you serve. […] read more
The CTP is an assessment widely used by independent schools to measure student achievement and reasoning abilities. By rigorously analyzing the CTP scores of over 1,300 students, we uncovered a remarkably strong, data-backed link between a student’s CTP performance in middle school and their future performance on college entrance exams. […] read more
The ISEE is an important part of the admissions process for many independent and private schools. Test scores provide schools with an objective measure in an inherently subjective process.
The ISEE is often many students’ first experience with standardized testing, and it can feel a bit daunting. The good news is that with a little practice, you can approach the ISEE with confidence. […] read more