The following ranking of states needs no explanation. I bet MA will be proud that they are at the top of the list – that they are 50% successful.
The various posts in this Blog all deal with topics in elementary mathematics. I write about topics normally studied prior to Calculus. I have suspicions about those more advanced topics, but I have no recent experience. I will start this segment of posts with a report of the status of American mathematics education in 2017.