Graduates of St. Gregory College Preparatory School have been accepted to and have attended a wide range of colleges and universities in the United States and abroad. The following list contains the four-year institutions to which the Classes of 2005-2009 have been accepted. Bolded schools indicated where graduates have enrolled.
| Adams State College | Macalester College |
| Allegheny College | Manhattan College |
| American University | Manhattanville College |
| American University of Paris | Marist College |
| Arizona State University | Marlboro College |
| The University of Arizona | Marquette University |
| The Art Institute of Boston | Maryland Institute College of Art |
| Auburn University | Massachusetts Institute of Technology |
| Babson College | University of Massachusetts, Boston |
| Bard College | Michigan State University |
| Bates College | University of Michigan |
| Baylor University | Middlebury College |
| Becker College | Mills College |
| Boston College | Montana State University , Bozeman |
| Boston University | The University of Montana, Missoula |
| Bowdoin College | University of Nebraska at Lincoln |
| Brandeis University | New York University |
| University of British Columbia | The University of North Carolina at Chapel Hill |
| Brown University | University of North Dakota |
| Bryant University | Northeastern University |
| Butler University | Northern Arizona University |
| University of California at Berkeley | University of Northern Colorado |
| University of California at Davis | Northwestern University |
| University of California at Irvine | Oberlin College |
| University of California at Los Angeles | Occidental College |
| University of California at San Diego | Ohio Northern University |
| University of California at Santa Barbara | The Ohio State University |
| University of California at Santa Cruz | University of Oklahoma |
| California Polytechnic, San Luis Obispo | Oregon State University |
| Carleton College | University of Oregon |
| Carnegie Mellon University | Oxford College of Emory University |
| Case Western Reserve University | University of the Pacific |
| The Catholic University of America | Pennsylvania State University |
| Central Washington University | University of Pennsylvania |
| Chaminade University of Honolulu | Pepperdine University |
| Chapman University | University of Pittsburgh |
| College of Charleston | Pitzer College |
| University of Chicago | Portland State University |
| University of Cincinnati | University of Portland |
| Clark Atlanta University | Providence College |
| Clark University | University of Puget Sound |
| Colby College | Purdue University |
| University of Colorado at Boulder | College of the Redwoods |
| University of Colorado at Colorado Springs | Reed College |
| Colorado College | Regis University |
| Colorado School of Mines | Rensselaer Polytechnic Institute |
| Colorado State University | University of Rhode Island |
| Colorado State University , Pueblo | Rhodes College |
| Columbia College | Rice University |
| Columbia University | University of Rochester |
| Concordia University | Rutgers University |
| Connecticut College | Salve Regina University |
| University of Connecticut | University of San Diego |
| Cornell University | University of San Francisco |
| Creighton University | Santa Clara University |
| University of Denver | College of Santa Fe |
| DePauw University | Savannah College of Art and Design |
| Dominican University of California | School of the Art Institute of Chicago |
| Drake University | School of the Museum of Fine Arts |
| Drexel University | School of Visual Arts |
| Duke University | Scripps College |
| Earlham College | Seattle Pacific University |
| Embry-Riddle Aeronautical University - AZ | Seattle University |
| Emerson College | Simmons College |
| Emory University | Skidmore College |
| Eugene Lang College | Sonoma State University |
| The Evergreen State College | University of South Carolina |
| Fairleigh Dickinson University | University of Southern California |
| Flagler College | Southern Methodist University |
| Fordham University | Southern New Hampshire University |
| Fort Lewis College | Southwestern University |
| Franciscan University of Steubenville | Springfield College |
| Franklin College Switzerland | St. Mary's College of Maryland |
| Franklin W. Olin College of Engineering | Stanford University |
| George Fox University | Stevens Institute of Technology |
| George Mason University | Suffolk University |
| The George Washington University | Susquehanna University |
| Georgetown University | Syracuse University |
| Gonzaga University | The University of Tampa |
| Goucher College | Texas Christian University |
| Grinnell College | The University of Texas, Austin |
| Guilford College | Trinity College |
| Hamilton College | Trinity University |
| Hampshire College | Tufts University |
| Hartwick College | Tulane University |
| Harvey Mudd College | United States Air Force Academy |
| University of Hawaii at Manoa | University of Utah |
| Hillsdale College | Vassar College |
| Hobart and William Smith Colleges | University of Vermont |
| College of the Holy Cross | Victoria University |
| Hope College | Villanova University |
| Humboldt State University | Virginia Polytechnic Institute and State University |
| University of Illinois at Chicago | University of Virginia |
| University of Illinois at Urbana-Champaign | Wake Forest University |
| Indiana University at Bloomington | Washington University in St. Louis |
| The University of Iowa | University of Washington |
| Johns Hopkins University | Wellesley College |
| University of Kansas | Wells College |
| Kenyon College | Wesleyan University |
| Knox College | West Virginia University |
| Lafayette College | Westminster College |
| Lake Forest College | Westmont College |
| Lawrence University | Whitman College |
| Lehigh University | Whittier College |
| LeTourneau University | Whitworth University |
| Lewis & Clark College | Willamette University |
| Loyola Marymount University | University of Wisconsin |
| Loyola University Chicago | The College of Wooster |
| Loyola University New Orleans | Yale University |
| Lynn University |
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