Students: if you didn’t already know this, the ACT is about to change. Those who want to improve their scores will be able to retake single sections of the five-part test starting in September 2020. What does this change mean for future test takers?  Some believe it will favor those with more money who can just keep taking the test over and over. Some feel it will change the difficulty of the test. Others feel it will make no difference in the long run. Reporter Sabrina Cabarcos investigates.