Writing
What is PEG™? PEG, or Project Essay Grade, is the automated scoring system at the core of ERB Writing Practice. It was invented in the 1960s by Ellis Batten Page, a former high school English teacher, who spent “many long weekends sifting through stacks of papers wishing for some help.” His guiding principles? 1) the more we write, the better writer we become, and 2) computers can grade as reliably as their human counterparts (Page, 2003). The state of computers at the time of Page’s invention did not leave much room for automation, so PEG lay dormant until the mid-1980s. […] read more
Latest Reading
Introducing Wild Zebra: AI-Powered Learning Built for Independent Schools
Thursday, July 14, 2026
11:00 a.m. PT / 2:00 p.m. ET […] read more
New National Norms are coming to 360 Access: What does that mean?
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
How Practice Can Help Mitigate Test Anxiety
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
E3n Is Officially Here
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