- Group Name
- Saraland HS
- Hometown
- Saraland, AL
- Contact
- Chase Davidson
- Group Name
- Saratoga HS
- Hometown
- Saratoga, CA
- Contact
- Sean Clark
- Website
- https://www.saratogamusicboosters.org/
- Group Name
- Sauk Rapids-Rice HS
- Hometown
- Sauk Rapids, MN
- Contact
- Eric Dylla
- Website
- https://sites.google.com/a/isd47.org/storm/year-round/drumline
- Group Name
- Savanna HS
- Hometown
- Anaheim, CA
- Contact
- Fernando Penaloza
- Group Name
- Scottsburg HS
- Hometown
- Scottsburg, IN
- Contact
- Curtis Turner
- Group Name
- Seguin HS
- Hometown
- Seguin, TX
- Contact
- Brad Samsen
- Group Name
- Selma High School
- Hometown
- Selma, CA
- Contact
- Regina Jimenez
- Group Name
- Selma HS
- Hometown
- Selma, CA
- Contact
- Regina Jimenez
- Group Name
- Seminole HS
- Hometown
- Seminole, FL
- Contact
- Gerard Madrinan
- Website
- http://seminolewarhawkband.org/
- Group Name
- Seminole Ridge HS
- Hometown
- Loxahatchee, FL
- Contact
- Anita McClane
- Website
- http://www.Seminoleridgeband.com
- Group Name
- Serrano HS
- Hometown
- Phelan, CA
- Contact
- Matt Fell
- Group Name
- Seven Lakes HS
- Hometown
- Katy, TX
- Contact
- James Vinson
- Website
- slhsband.org
- https://www.facebook.com/sevenlakesband
- Group Name
- Seymour HS
- Hometown
- Seymour, TN
- Contact
- Zach Elgin
- Website
- http://www.seymourband.org
- Group Name
- Shadow Indoor Percussion
- Hometown
- Oregon, WI
- Contact
- Nick Lane
- Website
- http://www.shadowdbc.org
- http://www.facebook.com/shadowdbc
- Group Name
- Shadow Mountain HS
- Hometown
- Phoenix, AZ
- Contact
- Craig Harris
- Group Name
- Shelton HS
- Hometown
- Shelton, CT
- Contact
- Philip Kozan
- Group Name
- Sherwood HS
- Hometown
- Sherwood, OR
- Contact
- Byron Hall
- Website
- http://sherwoodsbands.org
- Group Name
- Sherwood Middle School
- Hometown
- Sherwood, OR
- Contact
- Byron Hall
- Group Name
- Shockwave
- Hometown
- Findlay, OH
- Contact
- Brian Sheehe
- Website
- https://sites.google.com/a/findlaycityschools.org/shockwave
- Group Name
- Siege Percussion
- Hometown
- Mount Dora, FL
- Contact
- Jonathan Otero-Ramirez
- Website
- https://siegepercussion.org
- https://facebook.com/siegepercussion
- https://instagram.com/siegepercussion
- X (Twitter)
- https://twitter.com/siegepercussion
- Group Name
- Silverado HS
- Hometown
- Las vegas, NV
- Contact
- Jeff Lance
- Group Name
- Simon Kenton HS
- Hometown
- Independence, KY
- Contact
- Jason Milner
- Website
- http://www.simonkentonbands.org
- Group Name
- Skiatook HS
- Hometown
- Skiatook, OK
- Contact
- Blake Chilcoat
- Group Name
- Skyview HS
- Hometown
- Vancouver, WA
- Contact
- Jessica Vaughan
- Website
- http://svbd.org
- Group Name
- Smithfield Selma Spartan Thunder
- Hometown
- Smithfield, NC
- Contact
- Brian Jones
