The SAT, America’s most widely-used college admissions exam, is always changing. This week, the test’s publisher announced that it will go fully online starting in 2024, among other changes.

The SAT college admissions exam is now entirely online. Rather than filling in a bubble answer sheet with a No. 2 pencil, US test-takers will be using a computer.

For example, I.Q. test questions look just like this SAT question: According to Nicholas Lemann's book, The Big Test, the SAT did in fact start out as a sort of I.Q. test in the 1920s.

The SAT test will soon transition to a shorter, fully-online format that its organizers say will reduce the time students wait for results from weeks to a matter of days. For decades, the test ...