In recent years, students from the following colleges and universites have participated in the American Junior Year at Heidelberg University Program:
- Adrian College
- Albion College
- Alma College (Affiliate)
- Baker University
- Baldwin-Wallace College
- Bard College
- Barnard College
- Boston College
- Bucknell University
- Butler University
- Carthage College
- Case Western Reserve University
- College of William and Mary
- College of Wooster
- Cornell University
- Denison University
- Dickinson State University
- Elon University (NC)
- Florida Atlantic University
- Franklin and Marshall College
- Gettysburg College (Affiliate)
- George Washington University
- Gordon College
- Gustavus Adolphus College
- Harvard University
- Heidelberg University (Home Campus)
- James Madison University
- Johns Hopkins University
- Kent State University
- Lafayette College (Affiliate)
- LaSalle University
- Linfield College
- Longwood University (Affiliate)
- Marquette University
- McDaniel College
- North Central College (Affiliate)
- Northwestern College
- Ohio Wesleyan University
- Penn State University
- Providence College
- Rennselaer Polytechnic Institute
- San Diego State University
- Shorter University
- South Dakota State University (Affiliate)
- St. Louis University (Affiliate)
- St. Mary’s University (TX)
- Stanford University
- Stonehill College
- Southern Illinois University
- University of Alaska at Anchorage
- University of Cincinnati
- University of Colorado at Boulder
- University of Dayton
- University of Denver (Affiliate)
- University of North Carolina
- University of Notre Dame
- University of Pittsburgh
- University of Redlands
- University of Virginia
- Ursinus College
- Vassar College
- Villanova University