A Cappella: Nellies, a female a cappella group with membership by audition, and Hogappella, a male a cappella group with membership by audition.
Chamber Orchestra is composed of selected Symphony Orchestra string players augmented occasionally by solo winds. Members are also part of the Symphony Orchestra.
Concert Band is a large ensemble open to any wind, brass, or percussion player. The group performs standard concert band repertoire, marches, and popular arrangements.
Concert Choir is a 100+ member, mixed-voice choir open to all students; no experience is necessary. The choir sings a wide variety of literature, including folk, classical, and multicultural. Rehearsals are twice weekly from 7 to 8:30 pm.
NMH Jazz Ensemble is an advanced music group that plays a standard repertoire of big band, jazz rock, and modern jazz such as Ellington, Goodman, Hancock, and Marsalis. All members of the Jazz Ensemble must be in Concert Band or Symphony Orchestra.
Membership in the NMH Dance Companies is coed and determined by auditions held each term. Dancers learn such styles as modern, ballet, improvisation, and jazz. The fall performance, "Trajectory," was in the Rhodes Arts Center in November.
Northfield Mount Hermon Singers is a select group of singers who are also members of Concert Choir. The NMH Singers perform a broad repertoire and have several off-campus performances each year, including Family Days, Christmas Vespers, and Sacred Concert.
Select Women’s Ensemble (SWE) is a group of female singers who are also members of Concert Choir. SWE performs a broad repertoire and has several off-campus performances each year, including during Family Days, Christmas Vespers, and Sacred Concert. This group works on building repertoire, vocal technique, sight reading, and good choral skills.
Symphony Orchestra is NMH's largest instrument ensemble and is open to all string players and selected wind, brass, and percussion players. The Orchestra performs in three special events each year: the Family Day Concert, the Pops Concert, and Sacred Concert.
Theater Program presents at least one major production every fall and spring. Students perform at the Rhodes Arts Center.
World Music Combo is a small ensemble that studies and performs a variety of world music styles. This group performs several times a year both on and off campus, including at Family Days and the fall World Music Combo workshop.