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Saturday, September 5, 2026 - 4:45pm | Posted by: Rachel Knaizer

Call it reductive, but the fundamental to understanding educational assessment might just lie with a simple question.

It has plagued philosophers from Plato and Spinoza to Russell. It spurred psychologists, such as Alfred Binet and...

Friday, September 4, 2026 - 4:00pm | Posted by: Division of Data, Assessment, and Research (DAR)

The DC School Report Card provides detailed information about each school and local education agency (LEA) in the District; you can read more about the DC School Report Card in...

Wednesday, July 29, 2026 - 2:45pm | Posted by: By Betsy Wolf, PhD and Kathleen Coughlin

In the first part of this blog, we explored which students were mobile—experienced mid-year school changes in the 2024–25 school year—and the...

Friday, July 24, 2026 - 2:45pm | Posted by: By Kathleen Coughlin and Betsy Wolf, PhD

In the Division of Data, Assessment and Research (DAR), we were curious about what trends there may be in mid-year mobility and how student attendance may change before and after a mid-year transfer. In this two-part blog, we will explore those...

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