In this photo taken Jan. 17, 2016, Katerina Maylock, with Capital Educators, writes on the board as she teaches a college test preparation class at Holton Arms School. The current version of the SAT college entrance exam is having its final run, when thousands of students nationwide will sit, squirm or stress through the nearly four-hour reading, writing and math test. A new revamped version debuts in March. (AP Photo/Alex Brandon)