Originally Posted by AlexsMom
The ACT is much less correlated to participation rates than is the SAT (-0.63 vs -0.89); I'd attribute that generally to more-selective schools requiring the SAT.

I think almost almost all colleges, including the most selective ones, let applicants submit the SAT I OR the ACT. A 2007 USA Today article was titled "All four-year U.S. colleges now accept ACT test" http://www.usatoday.com/news/education/2007-03-18-life-cover-acts_N.htm .

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