| Sapphire Cheer and Dance | L1 | U16 | Large | 0 | | |
| Saraland High School | - | Varsity | Large | 0 | | |
| Saraland High School | - | Varsity | Small | 0 | | |
| Saugus High School | - | - | - | 0 | | |
| SC Bayer | L7 | International Open | Large | 0 | | |
| SCC | L6 | International Open | Large | 0 | | |
| SCC | L6 | International Open | Large | 0 | | |
| Scott County High School | - | Varsity | Large | 0 | | |
| Scottsburg High School | - | Varsity | Large | 0 | | |
| Scottsburg High School | - | Varsity | Large | 0 | | |
| Scurry-Rosser High School | - | Varsity | Large | 0 | | |
| SE Lauderdale Middle School | - | Junior | Large | 0 | | |
| Seaford High School | - | Varsity | Large | 0 | | |
| Seckman High School | - | Varsity | Medium | 0 | | |
| Seckman High School | - | - | - | 0 | | |
| Seckman High School | - | Junior | Large | 0 | | |
| Seckman High School | - | Varsity | Large | 0 | | |
| Seckman High School | - | Varsity | Large | 0 | | |
| Second Baptist High School | - | Varsity | Large | 0 | | |
| Seguin High School | - | Varsity | - | 0 | | |
| Seminary High School | - | Varsity | Large | 0 | | |
| Seminole Ridge High School | - | Varsity | Large | 0 | | |
| Seneca Valley High School | - | Junior | Large | 0 | | |
| Seneca Valley High School | - | Varsity | Large | 0 | | |
| Seneca Valley High School | - | Varsity | Large | 0 | | |
| Sequin High School | - | Varsity | Large | 0 | | |
| Seton Catholic High School | - | Varsity | - | 0 | | |
| Seven Lakes High School | - | Varsity | Large | 0 | | |
| Seven Lakes High School | - | Varsity | - | 0 | | |
| Seven Lakes High School | - | Varsity | - | 0 | | |
| Severna Park Green Hornets | L1 | - | - | 0 | | |
| Seymour High School | - | Varsity | - | 0 | | |
| Shadow Ridge High School | - | Junior Varsity | Small | 0 | | |
| Shafer Middle School | - | Junior | Large | 0 | | |
| Sharks | L5 | International Open | Large | 0 | | |
| Sharks Cheer Squad e.V. | L3 | Open | Large | 0 | | |
| Sharon Springs Falcons | L2 | - | Large | 0 | | |
| Sharyland Pioneer High School | - | Varsity | Large | 0 | | |
| Sharyland Pioneer High School | - | Varsity | - | 0 | | |
| Shawnee Mission East High School | - | Varsity | Large | 0 | | |
| Shawnee Mission East High School | - | Varsity | Large | 0 | | |
| Shawnee Mission East High School | - | Varsity | Large | 0 | | |
| Shawnee Mission East High School | - | Varsity | Large | 0 | | |
| Sheboygan South High School | - | Varsity | Small | 0 | | |
| Shelby Valley High School | - | Varsity | Large | 0 | | |
| Shepherd University | - | - | - | 0 | | |
| Shiloh Christian High School | - | Varsity | Large | 0 | | |
| Shockwave All Stars | L5 | Senior | Large | 0 | | |
| Shockwave All Stars | L5 | Open | - | 0 | | |
| Shore Force Sharks | L2 | - | - | 0 | | |