Every two years, hundreds of thousands of American fourth and eighth grade students take a test called the National Assessment of Educational Progress. The test evaluates students’ reading and math ...

What is the brain teaser all about? In this brain teaser, there are four triangles, three with a number inside. The sides of each triangle have different numbers, and inside the triangle is another ...

U.S. 4th and 8th grade students are performing worse in math, and somewhat worse in reading, than they were two years ago, according to new data from a national test. The results were a surprise to ...