Original sentence: According to a 2003 study by Frey and Detterman , there is a significant correlation between ("old") SAT scores and IQ.Approximately 400 colleges and universities in the United States, including Bowdoin College, Bates College, and Mount Holyoke College , have made the SAT Reasoning Test optional and have begun to pay more attention to other measures of student ability in their undergraduate admissions decisions
Edited sentence: According to a 2003 study by Frey and Detterman, there is a significant correlation between ("old") SAT scores and intelligence.Approximately 400 colleges in the United States  have made the SAT Reasoning Test optional and have begun to pay more attention to other measures of student ability, although most of these (with the notable exceptions of Bowdoin College, Bates College and Mount Holyoke College) are less selective instituions