| Jack Skelly | Chicago | Illinois | Approved | 20803 | Grade 4 Junior (under 18) | (none) | | | | | | |
| Timothy Sleeman | Aweres township | Ontario Canada | Approved | 26005 | | | Grade 4 | | | | | |
| Killian Smith | Grand Rapids | MI | Approved | 20178 | Grade 3 | Grade 3 | | | | | | |
| Jonathan Snow | Troy | Michigan | Approved | 20109 | Grade 2 | Grade 1 | | | | | | |
| Henry Spangler | Topeka | KS | Approved | 26024 | | | | | | | | Register as a Supporting Member |
| Andrew Spitsnogle | Prairie Village | KS | Approved | 26052 | Grade 1 | (none) | | | | | | |
| Lillian Spivey | Howell | Michigan | Approved | 25051 | Grade 5 Junior (under 18) | (none) | | | | | | |
| Andrew Spivey | Howell | Michigan | Approved | 25083 | Grade 5 Senior (18 and over) | | | | | | | |
| Deanna Spivey | Howell | MI | Approved | 26129 | | | | | Novice | | | |
| Anthony St Clair | Shawnee | Kansas | Approved | 20315 | Grade 2 | | | | | | | |
| Cooper Stanley | Orrville | OH | Approved | 26102 | Grade 5 Junior (under 18) | (none) | | | | | | |
| Richard Steffen | El Paso | IL | Approved | 20213 | Grade 4 Senior (18 and over) | Grade 4 | | | | | | |
| Jamie Stonehouse | Montgomery | MN | Approved | 26057 | Grade 5 Senior (18 and over) | | | | | | | |
| Carolin Stonier | Livonia | MI | Approved | 20010 | | | | Advanced | Intermediate | | | |
| Steven Stuart | Barrington | IL | Approved | 20001 | Grade 3 | Grade 3 | | | | | | |
| Tak Tang | Minneapolis | Minnesota | Approved | 20089 | Grade 2 | Grade 1 | | | | | | |
| Adam Tardif | Thorold | Ontario | Approved | 20923 | | | Open | | | | | |
| David Thao | Lino Lakes | MN | Approved | 26095 | Grade 5 Senior (18 and over) | | | | | | | |
| Jack Thielman | Fort Worth | Texas | Approved | 26040 | Grade 3 | Grade 3 | | | | | | |
| Laureano Thomas-Sanchez | Lakewood | OH | Approved | 26076 | Open | Open | | | | | | |
| Victoria Thompson | Columbia | MO | Approved | 25058 | Grade 5 Junior (under 18) | | | | | | | |
| Marshall Thompson | Columbus | OH | Approved | 26119 | Grade 5 Senior (18 and over) | Grade 4 | | | | | | |
| Anthony Todero | Saint Paul | MN | Approved | 20241 | | | Grade 2 | | | | | |
| Aidan Tolliver | Lorain | Ohio | Approved | 26010 | Grade 4 Junior (under 18) | | | | | | | |
| Evan Tolliver | Lorain | Ohio | Approved | 26008 | | | Grade 4 | | | | | |
| John Tompkins | Alpine | CA | Approved | 25061 | Grade 3 | Grade 3 | | | | | | |
| Jennifer Toussaint | McHenry | IL | Approved | 20065 | Grade 4 Senior (18 and over) | (none) | | | | | | |
| Michael Trenor | Columbus | OH | Approved | 26025 | Grade 1 | Grade 1 | | | | | | |
| Jessica Troester | Lee’s Summit | MO | Approved | 20874 | Grade 4 Senior (18 and over) | Grade 4 | | | | | | |
| Rhett Tyree | Germantown | Tennessee | Approved | 26081 | | | | Beginner | | | | |
