Colorado uses the PARCC test for Common Core testing. Put your knowledge to the test with questions from the fourth grade performance-based math test.

Imagine a hypothetical baseball player. Call him Alex. He fails a drug test that is known to be 95 percent accurate. How likely is it that he is really guilty? If you said 95 percent, you’re wrong.

This teacher gets a D- in racial sensitivity and an F in common sense. A teacher at an Alabama middle school has been placed on administrative leave after it was discovered she distributed a ...