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.
On Monday, April 20, 2026 at 3:00pm ET join us for an introduction to our new membership plans. […] 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
As for any assessment, best demonstrating your knowledge on the ISEE also requires a strong set of test-taking skills, such as time management and answer choice elimination. Test-taking, like any skill, can be learned and improved through practice. […] read more