Boyertown Area Senior High School is comprised of students in grades 9 through 12 and every student that attends BASH is able to be a member of a concert ensemble regardless of previous experience. BASH has 3 different concert ensembles including the audition only Wind Ensemble and the Symphonic Band that anyone can join. The other concert ensemble is the Mega Band which is the Wind Ensemble and Symphonic Band combined together.

There are also opportunities for chamber ensembles at BASH which include the Percussion Ensemble, Trombone Choir , Low Brass Ensemble, Saxophone Choir and any others that students wish to form.