The co-founder and chief executive officer at New Classrooms, Joel Rose, joins Education Next Editor-in-chief Marty West to discuss Rose's new article, which details the "Iceberg Problem," and how many students can be harmed by grade-level math instruction.

Rose's article, "The Grade-Level Expectations Trap: How lockstep math lessons leave students behind," is available now.

https://www.educationnext.org/grade-level-expectations-trap-how-lockstep-math-lessons-leave-students-behind/