The Horace Mann School has a rich tradition of performing arts.
Students participate in the theater in the roles of both actors and stagecrew .
The theatre department puts on four major productions each year, including one Middle School production. In the recent 1999-2000 school year, Into the Woods was performed. The groups often perform all across the country. The Glee Club has performed at the Jefferson Music Festival in Washington, D.C., and everywhere from the Czech Republic to San Francisco, and are planning a concert tour in Brazil for June, 1998. The Concert Band has performed at and won awards in band contests, including one in Boston and the Orlando Heritage Music Festival.