Large Universities
Boston University
Emory University
New York University Arts & Science (Requires either the SAT or 3 SAT Subject Tests or ACT with Writing or the IB Diploma or 3 IB higher-level exam scores)
Northeastern University
Penn State University
State University of New York (Only Stony Brook recommends 3 SAT Subject Tests)
Syracuse University (SAT/ACT is also optional for students studying outside the United States AND not enrolled in a school that follows the American education system)
Texas Christian University
University of California (Most UC's do not require Subject Tests but they are recommended if you are applying to Berkeley's College of Chemistry or College of Engineering, most of Irvine's schools, UCLA's Henry Samueli School of Engineering and Applied Science, Riverside's College of Natural and Agricultural Sciences and Bourns College of Engineering, San Diego's Jacobs School of Engineering and biological or physical sciences majors, Santa Barbara's College of Engineering and College of Creative Studies)
University of Illinois at Urbana-Champaign
University of Michigan
University of Maryland
University of San Francisco
University of Southern California (optional but recommended)
University of Washington
University of Wisconsin-Madison
Medium Universities
American University, DC
Boston College
Brandeis University
Chapman University
College of William and Mary (optional question)
Fordham University
George Washington University
Lehigh University
Loyola Marymount University
Santa Clara University
Vanderbilt University
Washington University in St. Louis
Small Universities
Bennington College (SAT and Subject Tests optional)
Bowdoin College (Even SAT/ ACT is optional)
Bucknell University
Claremont McKenna Universitye
Clark University
Colby College (Requires either the SAT or 3 SAT Subject Tests in three different subject areas or ACT)
Colgate University
Denison University
Hampshire College
Franklin and Marshall
Grinnell College
Macalester College
Middlebury College
Oberlin University
Pitzer College
Sarah Lawrence College (does not require SAT either)
Scripps
Smith College
Skidmore College