|Ensemble||Approximate Age Range|
|Primes Choir||Early to mid-elementary school|
|Mezzo Choir||Late elementary school to middle school|
|Concert Choir||Late middle school through high school|
|Chamber Singers||Late middle school through high school
(Chamber Singers is a subset of Concert Choir)
Ensemble placement depends upon vocal development and maturation, as well as mastery of required musicianship skills.