U.S. students’ math performance dropped significantly during the pandemic and has yet to recover. But students at all levels of K-12 schooling have been struggling with geometry and statistics ...

District-provided curriculum trailed all of these sources—only 46 percent of teachers said they regularly use core materials provided by their school system to teach their math classes.

Meanwhile one piece of ed tech, called ASSISTments, takes the opposite approach. Instead of personalizing instruction, this homework website for middle schoolers encourages teachers to assign the ...