Updated 2024
| Boys HS Rugby US Champions | |||||
| Note: In 2012 the championship switched to an invitational format, with teams applying to be included. In 2013, USA Rugby stopped staging the championship, and it was taken over by a panel of coaches from around the county, but retained the application-invitational format. | |||||
| Boys HS Single-School | |||||
| Year | Location | 1st | 2nd | 3rd | 4th |
| 2024 | Elkhart IN | Gonzaga | St. Ignatius | Herriman | St. Edward |
| 2023 | Elkhart IN | Gonzaga | Jesuit-Sac. | Xavier | St. Ignatius |
| 2022 | Elkhart IN | St. Ignatius | Gonzaga | Herriman | St. Thomas Aquinas |
| 2021 | Kansas City, MO | Herriman | St. Ignatius | Gonzaga | Staples |
| 2020 | Ccld (COVID) | ||||
| 2019 | Salt Lake City, UT | Jesuit-Sacramento | Herriman | Gonzaga | East HS (UT) |
| 2018 | Kansas City, MO | Gonzaga | Herriman | Jesuit-Sacramento | Xavier |
| 2017 | Kansas City, MO | Jesuit-Sacramento | Gonzaga | Penn | Herriman |
| 2016 | Charlotte, NC | Gonzaga | Jesuit-Sac. | Xavier | Penn |
| 2015 | Charlotte, NC | Gonzaga | Jesuit-Sac. | Herriman | Penn |
| 2014 | Elkhart IN | Gonzaga | Jesuit-Sacramento | Penn | Xavier |
| 2013 | Elkhart IN | Jesuit-Sacramento | Gonzaga | Xavier | Penn |
| 2012 | Sandy UT | Dixon | Penn | Xavier | Gonzaga |
| 2011 | Sandy UT | Jesuit-Sacramento | Xavier | Gonzaga | Charlotte Catholic |
| 2010 | Sandy UT | Xavier | Gonzaga | Jesuit-Sacramento | Charlotte Catholic |
| 2009 | Pittsburgh PA | Jesuit-Sacramento | Christian Brothers | Xavier | Gonzaga |
| 2008 | Pittsburgh PA | Jesuit-Sacramento | ND de la Salette | Penn | St. Thomas |
| Boys HS HS Club | |||||
| Year | Location | 1st | 2nd | 3rd | 4th |
| 2024 | Elkhart IN | Charlotte Cardinals | The Woodlands | Belmont Shore | SD Mustangs |
| 2023 | Elkhart IN | Belmont Shore | San Diego | Granite Bay | Woodlands |
| 2022 | Elkhart IN | Granite Bay | Belmont Shore | San Diego | Tempe |
| 2021 | Kansas City, MO | Thunder | Charlotte Tigers | Aspetuck | Woodlands |
| 2020 | Ccld (COVID) | ||||
| 2019 | Salt Lake City, UT | Back Bay | Royal Irish | Charlotte Tigers | San Diego |
| 2018 | Kansas City, MO | Danville | Royal Irish | Fort Hunt | Granite Bay |
| 2017 | Kansas City, MO | Royal Irish | Fort Hunt | Granite Bay | Doylestown |
| 2016 | Charlotte, NC | Granite Bay | Royal Irish | United | KC Jr. Blues |
| 2015 | Charlotte, NC | Royal Irish | Granite Bay | United | West Shore |
| 2014 | Elkhart IN | Royal Irish | Santa Monica | Danville | San Diego |
| 2013 | Elkhart IN | United | Royal Irish | Danville | Colorado Springs |
| 2012 | Sandy UT | Royal Irish | United | Colorado Springs | KC Jr Blues |
| 2011 | Sandy UT | Highland | United | Royal Irish | KC Jr Blues |
| 2010 | Sandy UT | United | Highland | Katy | Belmont Shore |
| 2009 | Pittsburgh PA | Highland | United | KC Jr Blues | West Shore United |
| 2008 | Pittsburgh PA | Highland | United | Westerville | Katy |
| Boys HS Tier II | |||||
| Year | Location | 1st | 2nd | 3rd | 4th |
| 2024 | Elkhart IN | San Mateo Wolverines | KC. Jr. Blues | SOC Raptors | St. Joseph's Prep |
| 2023 | Elkhart IN | Vienna | SOC Raptors | Aspetuck | KC Jr. Blues |
| 2022 | Elkhart IN | Thunder | Penn HS | Royal Irish | Vienna |
| 2021 | Kansas City, MO | San Diego | Tempe | SFGG | Raleigh |
| 2020 | Ccld (COVID) | ||||
| 2019 | Salt Lake City, UT | Rocky Mountain | Eastside | Aspetuck | United |
| 2018 | Kansas City, MO | SD Mustangs | Aspetuck | Eastside | Wando |
| 2017 | Kansas City, MO | St. Thomas Aquinas | Charlotte Catholic | Brownsburg | Jesuit II |
| 2016 | Charlotte, NC | West End | Pelham | Brownsburg | Charlotte Catholic |
| 2015 | Charlotte, NC | Union | Charlotte Catholic | ND de La Salette | Fishers |
| 2014 | Elkhart IN | Jesuit II | Brother Rice | North Bay | Westerville |
