Different test. The SATs in America are college prep exams; this is something with a similar name in England. (No, I don't have any more information than that; I'm just piecing together from the OP.)

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Gillian

"Now everyone was giving her that kind of look UFOlogists get when they suddenly say, 'Hey, if you shade your eyes you can see it is just a flock of geese after all.'"

"You can't erase icing."

"I can't believe it doesn't work! I found it on the internet, man!"