It's a not-so rosy report card for the nation's schoolchildren.
Math scores slipped for fourth and eighth graders over the last two years, and reading grades were not much better, flat for fourth graders and lower for eighth graders, according to the 2015 Nation's Report Card.
The results of the test, officially known as the National Assessment of Educational Progress or , were released Wednesday.
The report suggests students have a ways to go to demonstrate a solid grasp or mastery of their reading and math skills.
Only about a third of the nation's eighth-graders were at proficient or above in math and reading. Among fourth graders, the results were slightly...