Earlier quoted context omitted.
>> I don't really have evidence for this, but it's always felt like SAT/ACT coaching doesn't improve scores so much as get rid of some of the "dumb mistakes" that cost you score. As i learned in college, the real "coaching" was rich parents getting rich kids more time on the SAT by getting psychiatric diagnostic classifications that give you more time. Time has been the real challenge on SATs for most people beyond a…
I finished the SAT early, and used the extra time to go back to the beginning and verify each answer. More time wouldn't have done much. If you can answer the questions, there's enough time to complete the test.
The students who are quick and on the competitive math team finish something in 6-7 minutes and some other students are doing correct work but not quite done in 45 minutes. More practice doesn't seem to make them much quicker, either.
And this is in students without a formal diagnosis that allows them to spend extra time.
[There was one time I crashed and burned on a test and ran out of time... where I didn't memorize enough of a big table of identities for a trig test and ended up having to derive everything from scratch]