In high schools across the country, students are put onto a certain "track" for their math classes — it could be honors, advanced placement, college prep, remedial or any number of other-named tracks.

The idea is to let more advanced students go at a faster pace and cover more ground, while those who are struggling get more time to learn the basics. But research is starting to question whether that’s helping or hurting students.

Robert Berry, the president of the National Council of Teachers of Mathematics and a professor at the University of Virginia School of Education, joined The Show to talk about his focus on math education.