When elementary school students in her district struggle in math, Elizabeth Abel wants to get them support as soon as possible. That’s because addressing students’ gaps in kindergarten, 1st, and 2nd ...

Chris Brignell is Deputy Director of the Observatory for Mathematical Education, which is supported by a founding grant from XTX Markets Ltd. Stephen Lee is a Senior Research Fellow at the Observatory ...

Add Yahoo as a preferred source to see more of our stories on Google. Clarissa Garcia works on a problem during a geometry class at Compton Early College High School last fall. (Gary Coronado / Los ...