| Region | Level | Chair | Instrument | Name | School |
| 3 | JR | 01 | Flute | Jenna Lincomfelt | Banks Trail Middle School |
| 3 | JR | 02 | Flute | Natalia Kraft | Springfield Middle School |
| 3 | JR | 03 | Flute | Maureen McKay | Midlands Home School Band |
| 3 | JR | 04 | Flute | Jena Lee | E.L. Wright Middle School |
| 3 | JR | 05 | Flute | Gabrielle Harvey | Dutchman Creek Middle School |
| 3 | JR | 06 | Flute | Joanna Ni | Leslie M. Stover Middle School |
| 3 | JR | 07 | Flute | Amelia Bromham | Pleasant Knoll Middle School |
| 3 | JR | 08 | Flute | Kellee Craig | Leslie M. Stover Middle School |
| 3 | JR | 09 | Flute | Audrey Webb | Banks Trail Middle School |
| 3 | JR | 10 | Flute | Matthew Maco | Muller Road Middle School |
| 3 | JR | 11 | Flute | Jennifer Williams | Pleasant Knoll Middle School |
| 3 | JR | 12 | Flute | Lydia Gustafson | Midlands Home School Band |
| 3 | JR | A01 | Flute | Alexis Weeks | Banks Trail Middle School |
| 3 | JR | A02 | Flute | Makayla Bleifield | Dent Middle School |
| 3 | JR | A03 | Flute | Tryssa Fudge | Saluda Trail Middle School |
| 3 | JR | A04 | Flute | Madison Dixon | Saluda Trail Middle School |
| 3 | JR | A05 | Flute | Camille Bailey | York Preparatory Academy |
| 3 | JR | A06 | Flute | MaKenzi McClain | Summit Parkway Middle School |
| 3 | JR | A07 | Flute | Hannah Barr | Hand Middle School |
| 3 | JR | A08 | Flute | Taliyah Richardson | Hand Middle School |
| 3 | JR | A09 | Flute | Makayla Lathrop | Banks Trail Middle School |
| 3 | JR | A10 | Flute | Joline Adams | Springfield Middle School |
| 3 | JR | A11 | Flute | Vanessa Barnett | Springfield Middle School |
| 3 | JR | A12 | Flute | Courtney Kelley | Crayton Middle School |
| 3 | JR | 01 | Oboe | Lauren Stiles | Fort Mill Middle School |
| 3 | JR | 02 | Oboe | Lydia Tate | E.L. Wright Middle School |
| 3 | JR | 03 | Oboe | Reagan Arxer | Pleasant Knoll Middle School |
| 3 | JR | 04 | Oboe | Mykah Burroughs | Banks Trail Middle School |
| 3 | JR | A01 | Oboe | Philip Sophocleous | Hand Middle School |
| 3 | JR | A02 | Oboe | Ziad Baki | Fort Mill Middle School |
| 3 | JR | A03 | Oboe | Abigail Conrad | Fort Mill Middle School |
| 3 | JR | A04 | Oboe | Tanvi Sikka | Pleasant Knoll Middle School |
| 3 | JR | 01 | Bassoon | Grace Tate | E.L. Wright Middle School |
| 3 | JR | 02 | Bassoon | Phillip Aleshire | Banks Trail Middle School |
| 3 | JR | 03 | Bassoon | Secret Fleming | Pleasant Knoll Middle School |
| 3 | JR | 04 | Bassoon | Emily Keffer | Pleasant Knoll Middle School |
| 3 | JR | A01 | Bassoon | Emily Reed | Rawlinson Road Middle School |
| 3 | JR | A02 | Bassoon | Brianna Williams | Rawlinson Road Middle School |
| 3 | JR | A03 | Bassoon | Jalaya Fullard | Southeast Middle School |
| 3 | JR | A04 | Bassoon | Johnny Mallebrera Ortiz | Summit Parkway Middle School |
| 3 | JR | 01 | Clarinet | Addison Sullivan | Springfield Middle School |
| 3 | JR | 02 | Clarinet | Maggie D’Agostino | Leslie M. Stover Middle School |
| 3 | JR | 03 | Clarinet | Jade Rose | Banks Trail Middle School |
| 3 | JR | 04 | Clarinet | Isabelle Roddy | Midlands Home School Band |
| 3 | JR | 05 | Clarinet | Dana Witherspoon | Kelly Mill Middle School |
| 3 | JR | 06 | Clarinet | Alyssa Yakamna | Indian Land Middle School |
| 3 | JR | 07 | Clarinet | Lilly L’Esperance | Banks Trail Middle School |
| 3 | JR | 08 | Clarinet | Mei Tucker | Springfield Middle School |
| 3 | JR | 09 | Clarinet | Alyson Downard | Springfield Middle School |
| 3 | JR | 10 | Clarinet | Kelsie Peck | Fort Mill Middle School |
| 3 | JR | 11 | Clarinet | Peter Hoegy | Pleasant Knoll Middle School |
| 3 | JR | 12 | Clarinet | Joshua Homan | Springfield Middle School |
| 3 | JR | 13 | Clarinet | Reagon Feneis | Fort Mill Middle School |
| 3 | JR | 14 | Clarinet | Bralon Burgess | E.L. Wright Middle School |
| 3 | JR | 15 | Clarinet | Ella Nichols | Pleasant Knoll Middle School |
| 3 | JR | 16 | Clarinet | Mili Shah | Pleasant Knoll Middle School |
| 3 | JR | 17 | Clarinet | Emily Hedrick | Muller Road Middle School |
| 3 | JR | 18 | Clarinet | Alyssa Spencer | Banks Trail Middle School |
| 3 | JR | 19 | Clarinet | Elise Papke | Fort Mill Middle School |
| 3 | JR | 20 | Clarinet | Sonya Singh | Pleasant Knoll Middle School |
| 3 | JR | 21 | Clarinet | Mallory McCart | Banks Trail Middle School |
| 3 | JR | 22 | Clarinet | Harlen Rembert | Pleasant Knoll Middle School |
| 3 | JR | 23 | Clarinet | Bella Ward | Summit Parkway Middle School |
| 3 | JR | 24 | Clarinet | Aryana Hughey | Kelly Mill Middle School |
| 3 | JR | A01 | Clarinet | Elizabeth Gustafson | Midlands Home School Band |
| 3 | JR | A02 | Clarinet | Olivia Li | Pleasant Knoll Middle School |
| 3 | JR | A03 | Clarinet | Chris Herman | Dutchman Creek Middle School |
| 3 | JR | A04 | Clarinet | Jaxon Bollard | Banks Trail Middle School |
| 3 | JR | A05 | Clarinet | Jenna Dinkins | Leslie M. Stover Middle School |
| 3 | JR | A06 | Clarinet | Shashwat Yadav | E.L. Wright Middle School |
| 3 | JR | A07 | Clarinet | Joshua Payne | Leslie M. Stover Middle School |
| 3 | JR | A08 | Clarinet | Savannah Johansen | York Preparatory Academy |
| 3 | JR | A09 | Clarinet | Charlie Woodrome | Banks Trail Middle School |
| 3 | JR | A10 | Clarinet | Grace Stralow | Piedmont Music Academy (High) |
| 3 | JR | A11 | Clarinet | Grant Sorrells | Dutchman Creek Middle School |
| 3 | JR | A12 | Clarinet | Aliyah Riley | Hand Middle School |
| 3 | JR | A13 | Clarinet | Dakota Wilson | Lugoff-Elgin Middle School |
| 3 | JR | A14 | Clarinet | Adriane Alston | Crayton Middle School |
| 3 | JR | A15 | Clarinet | Kavin Saravanan | Dent Middle School |
| 3 | JR | A16 | Clarinet | Crystal Burgess | Castle Heights Middle School |
| 3 | JR | A17 | Clarinet | Kees Vandergriff | Fort Mill Middle School |
| 3 | JR | A18 | Clarinet | Mehul Bellukutty | Dent Middle School |
| 3 | JR | A19 | Clarinet | Ben Chen | E.L. Wright Middle School |
| 3 | JR | A20 | Clarinet | Joseph Ravindran | Dent Middle School |
| 3 | JR | 01 | Bass Clarinet | Lily Marks | Banks Trail Middle School |
| 3 | JR | 02 | Bass Clarinet | Baden Stickley | Pleasant Knoll Middle School |
| 3 | JR | 03 | Bass Clarinet | Morgan Whitelow | Muller Road Middle School |
| 3 | JR | 04 | Bass Clarinet | Mackenzie Campbell | Dutchman Creek Middle School |
| 3 | JR | A01 | Bass Clarinet | Hannah Drury | Fort Mill Middle School |
| 3 | JR | A02 | Bass Clarinet | Chloe Gardner | Camden Middle School |
| 3 | JR | A03 | Bass Clarinet | Ashley Wood | Leslie M. Stover Middle School |
| 3 | JR | A04 | Bass Clarinet | Tessa Sheppard | Muller Road Middle School |
| 3 | JR | 01 | Contra Clarinet | Meghan Watkins | Camden Middle School |
| 3 | JR | 01 | Alto Sax | Sara Holden | Springfield Middle School |
| 3 | JR | 02 | Alto Sax | Case Alexander | Dent Middle School |
| 3 | JR | 03 | Alto Sax | Rebekah Schwartz | Fort Mill Middle School |
| 3 | JR | 04 | Alto Sax | Olivia Catoe | Leslie M. Stover Middle School |
| 3 | JR | 05 | Alto Sax | Ethan Conley | Banks Trail Middle School |
| 3 | JR | 06 | Alto Sax | Daniel Atuncar | Pleasant Knoll Middle School |
| 3 | JR | A01 | Alto Sax | Susan Nguyen | Hand Middle School |
| 3 | JR | A02 | Alto Sax | Elizabeth Huffman | Dent Middle School |
| 3 | JR | A03 | Alto Sax | Catherine Akhvlediani | Hand Middle School |
| 3 | JR | A04 | Alto Sax | Bella Faulkenberry | Fort Mill Middle School |
| 3 | JR | A05 | Alto Sax | Noah Brown | Kelly Mill Middle School |
| 3 | JR | A06 | Alto Sax | Conner Wolfe | Crayton Middle School |
| 3 | JR | 01 | Tenor Sax | Trio Belton | Banks Trail Middle School |
| 3 | JR | 02 | Tenor Sax | Alexis Wood | Andrew Jackson Middle School |
| 3 | JR | A01 | Tenor Sax | Jared West | Indian Land Middle School |
| 3 | JR | A02 | Tenor Sax | Jace Risher | Muller Road Middle School |
| 3 | JR | 01 | Bari Sax | Shariff Murphy | Muller Road Middle School |
| 3 | JR | A01 | Bari Sax | Myles Ehrenberg | Banks Trail Middle School |
| 3 | JR | A02 | Bari Sax | Adam Horner | Camden Middle School |
| 3 | JR | 01 | Trumpet | Shrihan Ganesh Babu | Dent Middle School |
| 3 | JR | 02 | Trumpet | Charles Elliott | Pleasant Knoll Middle School |
| 3 | JR | 03 | Trumpet | Josiah Macchi | Banks Trail Middle School |
| 3 | JR | 04 | Trumpet | Ryo Nagao | Kelly Mill Middle School |
| 3 | JR | 05 | Trumpet | Kate Wellons | Pleasant Knoll Middle School |
| 3 | JR | 06 | Trumpet | Bridie Lessard | Springfield Middle School |
| 3 | JR | 07 | Trumpet | Ryan Leadbitter | Muller Road Middle School |
| 3 | JR | 08 | Trumpet | Aaron Ruopp | Dent Middle School |
| 3 | JR | 09 | Trumpet | Ian Anderson | Pleasant Knoll Middle School |
| 3 | JR | 10 | Trumpet | Gregory Brown | Heathwood Hall Episcopal School |
| 3 | JR | 11 | Trumpet | Emily Taylor | Banks Trail Middle School |
| 3 | JR | 12 | Trumpet | Tobias Sullivan | Midlands Home School Band – Lugoff Branch |
| 3 | JR | 13 | Trumpet | Taylor Kittrell | Crayton Middle School |
| 3 | JR | 14 | Trumpet | Steele Pendleton | Blythewood Middle School |
| 3 | JR | 15 | Trumpet | Remington Clark | Pleasant Knoll Middle School |
| 3 | JR | 16 | Trumpet | Cy Blackmon | Andrew Jackson Middle School |
| 3 | JR | A01 | Trumpet | Zella Jackson | E.L. Wright Middle School |
| 3 | JR | A02 | Trumpet | Summer Rayne Whyte | Banks Trail Middle School |
| 3 | JR | A03 | Trumpet | Eli Roth | Hand Middle School |
| 3 | JR | A04 | Trumpet | Ashton Crochet | Dutchman Creek Middle School |
| 3 | JR | A05 | Trumpet | Kyle Nitsche | Fort Mill Middle School |
| 3 | JR | A06 | Trumpet | Garrick Edouard | Dent Middle School |
| 3 | JR | A07 | Trumpet | Harper Murphy | Leslie M. Stover Middle School |
| 3 | JR | A08 | Trumpet | Marissa Ashe | Springfield Middle School |
| 3 | JR | A09 | Trumpet | Rylee Bilton | Rawlinson Road Middle School |
| 3 | JR | A10 | Trumpet | Andrew Stevens | Leslie M. Stover Middle School |
| 3 | JR | A11 | Trumpet | Mia Atencio | Leslie M. Stover Middle School |
| 3 | JR | A12 | Trumpet | John Burkhart | Rawlinson Road Middle School |
| 3 | JR | A13 | Trumpet | Zach Snelgrove | Lugoff-Elgin Middle School |
| 3 | JR | A14 | Trumpet | Cohen Dickson | Rawlinson Road Middle School |
| 3 | JR | 01 | Horn | Nathaniel Cason | Dent Middle School |
| 3 | JR | 02 | Horn | Ben Hurley | Banks Trail Middle School |
| 3 | JR | 03 | Horn | Ryan Morton | Pleasant Knoll Middle School |
| 3 | JR | 04 | Horn | Aleksander Wichmann | Springfield Middle School |
| 3 | JR | 05 | Horn | Hannah Corde | Kelly Mill Middle School |
| 3 | JR | 06 | Horn | Andrew Scribner | Indian Land Middle School |
| 3 | JR | 07 | Horn | Claire Hasty | Dent Middle School |
| 3 | JR | 08 | Horn | Sahil Agarwal | Dent Middle School |
| 3 | JR | A01 | Horn | Russell Sloop | Crayton Middle School |
| 3 | JR | A02 | Horn | Carena Tollefson | Fort Mill Middle School |
| 3 | JR | A03 | Horn | Eliott Rurey | Kelly Mill Middle School |
| 3 | JR | A04 | Horn | Zander Gholson | Dutchman Creek Middle School |
| 3 | JR | A05 | Horn | Madeline Phillips | Muller Road Middle School |
| 3 | JR | A06 | Horn | Savannah West | Saluda Trail Middle School |
| 3 | JR | A07 | Horn | Alexia Kuehn | Piedmont Music Academy (High) |
| 3 | JR | A08 | Horn | Fiona Puzzio | Fort Mill Middle School |
| 3 | JR | 01 | Trombone | Ryan Ellis | Fort Mill Middle School |
| 3 | JR | 02 | Trombone | Grant Luebbe | Fort Mill Middle School |
| 3 | JR | 03 | Trombone | Shakiya Nichols | Dutchman Creek Middle School |
| 3 | JR | 04 | Trombone | John Nagy | Heathwood Hall Episcopal School |
| 3 | JR | 05 | Trombone | Cassie Brannen | Leslie M. Stover Middle School |
| 3 | JR | 06 | Trombone | Taylor Newell | Dutchman Creek Middle School |
| 3 | JR | 07 | Trombone | Emma Wargel | Dent Middle School |
| 3 | JR | 08 | Trombone | Jane Semmelmeyer | Hand Middle School |
| 3 | JR | 09 | Trombone | Dexter Duszynski | Leslie M. Stover Middle School |
| 3 | JR | A01 | Trombone | Taylen Bradley-Goodwin | Muller Road Middle School |
| 3 | JR | A02 | Trombone | Charles Turner | Pleasant Knoll Middle School |
| 3 | JR | A03 | Trombone | Carson Broome | Indian Land Middle School |
| 3 | JR | A04 | Trombone | Wyatt Kingery | Saluda Trail Middle School |
| 3 | JR | A05 | Trombone | Matthew Moore | Crayton Middle School |
| 3 | JR | A06 | Trombone | Nick Klob | Dutchman Creek Middle School |
| 3 | JR | A07 | Trombone | Kara Bates | Dutchman Creek Middle School |
| 3 | JR | A08 | Trombone | Alexander Fogle | York Preparatory Academy |
| 3 | JR | 01 | Euphonium | Nicholas Lanz | Hand Middle School |
| 3 | JR | 02 | Euphonium | Aidan Anthony | Dent Middle School |
| 3 | JR | 03 | Euphonium | Julien Fuentes | Pleasant Knoll Middle School |
| 3 | JR | 04 | Euphonium | Mason Crenshaw | Dutchman Creek Middle School |
| 3 | JR | A01 | Euphonium | Gabe Laszewski | Banks Trail Middle School |
| 3 | JR | A02 | Euphonium | Owen Fey | Pleasant Knoll Middle School |
| 3 | JR | A03 | Euphonium | Kaden Wade | Blythewood Middle School |
| 3 | JR | A04 | Euphonium | Tyler McCrae | Rawlinson Road Middle School |
| 3 | JR | 01 | Tuba | YeJoon Shin | Dent Middle School |
| 3 | JR | 02 | Tuba | Andrew Assaad | Fort Mill Middle School |
| 3 | JR | 03 | Tuba | Matthew Feldmann | Fort Mill Middle School |
| 3 | JR | 04 | Tuba | Elijah Beck | Pleasant Knoll Middle School |
| 3 | JR | 05 | Tuba | Connor Dzialo | E.L. Wright Middle School |
| 3 | JR | 06 | Tuba | Alexander Lazarus | Pleasant Knoll Middle School |
| 3 | JR | 07 | Tuba | Aileen Rodriguez | Leslie M. Stover Middle School |
| 3 | JR | 08 | Tuba | Caleb Timmons | Hand Middle School |
| 3 | JR | A01 | Tuba | Jacob Anderson | Springfield Middle School |
| 3 | JR | A02 | Tuba | Dickson Nash | Andrew Jackson Middle School |
| 3 | JR | A03 | Tuba | Alexander Lance | Dent Middle School |
| 3 | JR | A04 | Tuba | Joshua Pritchard | Banks Trail Middle School |
| 3 | JR | A05 | Tuba | Isaiah Gamez | Blythewood Middle School |
| 3 | JR | A06 | Tuba | Benjamin Labra | Hand Middle School |
| 3 | JR | A07 | Tuba | James Laney | Great Falls High School |
| 3 | JR | 01 | Percussion | Wynn Ravan | Summit Parkway Middle School |
| 3 | JR | 02 | Percussion | Landon McBride | Fort Mill Middle School |
| 3 | JR | 03 | Percussion | Aidan Jefferson | Kelly Mill Middle School |
| 3 | JR | 04 | Percussion | Daniel Schlauch | Dutchman Creek Middle School |
| 3 | JR | 05 | Percussion | Adam Van | Kelly Mill Middle School |
| 3 | JR | 06 | Percussion | Ethan Vu | Springfield Middle School |
| 3 | JR | 07 | Percussion | Wyatt Bell | Banks Trail Middle School |
| 3 | JR | A01 | Percussion | Devin Hartzog | Banks Trail Middle School |
| 3 | JR | A02 | Percussion | Joaquin Jackson | Pleasant Knoll Middle School |
| 3 | JR | A03 | Percussion | Matthew Baker | Leslie M. Stover Middle School |
| 3 | JR | A04 | Percussion | Sophia DeLancey | Summit Parkway Middle School |
| 3 | JR | A05 | Percussion | Sarah Robinson | Castle Heights Middle School |
| 3 | JR | A06 | Percussion | Chase Johnson | Fort Mill Middle School |
| 3 | JR | A07 | Percussion | Benjimin Holland | Fort Mill Middle School |
| 3 | JR | 01 | Timpani | David Vandelay | Dent Middle School |
| 3 | JR | A01 | Timpani | Griffin Keeffe | Leslie M. Stover Middle School |
Alternate Junior Band members will form the MS Alternate Band.