| Year | Location | Winner | Runner-Up | Stats |
|---|---|---|---|---|
| 2024 | Reston, VA | Barrington (Barrington, IL) | Richard Montgomery (Rockville, MD) | Stats |
| 2023 | Rosemont, IL | Barrington (Barrington, IL) | Thomas Jefferson (Alexandria, VA) | Stats |
| 2022 | Rosemont, IL | Lambert (Suwanee, GA) | Thomas Jefferson (Alexandria, VA) | Stats |
| 2021 | Online | Thomas Jefferson (Alexandria, VA) | Hunter (New York, NY) | Stats |
| 2020 | Cancelled due to the COVID-19 Pandemic | |||
| 2019 | Reston, VA | Thomas Jefferson (Alexandria, VA) | James E. Taylor (Katy, TX) | Stats |
| 2018 | Reston, VA | Thomas Jefferson (Alexandria, VA) | Dublin Scioto (Dublin, OH) | Stats |
| 2017 | Rosemont, IL | Detroit Catholic Central (Novi, MI) | Westview (San Diego, CA) | Stats |
| 2016 | Rosemont, IL | Liberal Arts and Science Academy (Austin, TX) | Adlai E. Stevenson (Lincolnshire, IL) | Stats |
| 2015 | Reston, VA | Detroit Catholic Central (Novi, MI) | Liberal Arts and Science Academy (Austin, TX) | Stats |
| 2014 | Reston, VA | Liberal Arts and Science Academy (Austin, TX) | Western Albemarle (Crozet, VA) | Stats |
| 2013 | College Park, MD | Ladue Horton Watkins (Ladue, MO) | Liberal Arts and Science Academy (Austin, TX) | Stats |
| 2012 | St. Louis, MO | Hunter College (New York, NY) | Bellarmine (San Jose, CA) | Stats |
| 2011 | Evanston, IL | State College (State College, PA) | Hunter College (New York, NY) | Stats |
| 2010 | Fairfax, VA | State College (State College, PA) | Maggie Walker (Richmond, VA) | Stats |
| 2009 | Fairfax, VA | Wilmington Charter (Wilmington, DE) | State College (State College, PA) | Stats |
| 2008 | Fairfax, VA | Walt Whitman (Bethesda, MD) | Thomas Jefferson (Alexandria, VA) | Stats |
| 2007 | Ann Arbor, MI | Maggie Walker (Richmond, VA) | Martin Luther King (Nashville, TN) | Stats |
| 2006 | Durham, NC | Raleigh Charter (Raleigh, NC) | Richard Montgomery (Rockville, MD) | Stats |
| 2005 | Orlando, FL | Thomas Jefferson (Alexandria, VA) | State College (State College, PA) | Stats |
| 2004 | College Park, MD | Maggie Walker (Richmond, VA) | Thomas Jefferson (Alexandria, VA) | Stats |
| 2003 | Cleveland, OH | Dorman (Roebuck, SC) | Thomas Jefferson (Alexandria, VA) | Stats |
| 2002 | Washington, DC | Richard Montgomery (Rockville, MD) | Detroit Catholic Central (Novi, MI) | Stats |
| 2001 | Bowling Green, OH | State College (State College, PA) | Georgetown Day (Washington, DC) | Stats |
| 2000 | Greenville, SC | State College (State College, PA) | Eisenhower (Shelby Township, MI) | Stats |
| 1999 | Philadelphia, PA | State College (State College, PA) | Rockville (Rockville, MD) | Stats |
| 1998 | Cleveland, OH | State College (State College, PA) | Henry Ford II (Sterling Heights, MI) | Stats |