He was succeeded by composer Howard Hanson in 1924, who had an enormous impact on the development of the school, including influencing the creation the first Doctor of Musical Arts degree in the United States.

The Eastman Theatre opened in 1922 as a center for music, dance, and silent film with orchestral and organ accompaniment.

The Sibley Music Library currently holds almost 750,000 items, ranging from 11th century codices to the latest compositions and recordings.

The Student Living Center, which is located at 100 Gibbs Street, is the dormitory building of the Eastman School of Music.

In 1991, the new building was opened at the corner of Main and Gibbs Streets, replacing the University Avenue dormitories built nearly 70 years earlier.

[7] Eastman alumni include Jazz bassist Ron Carter, singer Renée Fleming, bass-baritone William Warfield,[9][10] Canadian Brass co-founder Charles Daellenbach, cellist Robert deMaine, drummer Steve Gadd, bassist Tony Levin, flugelhornist Chuck Mangione, author and journalist Michael Walsh, trumpeter Allen Vizzutti, scholar Horace Clarence Boyer and composers Maria Schneider, Robert Paterson, and Cardon V. Burnham.

Current faculty include musicians and pedagogues like the Ying Quartet, Anthony Dean Griffey, Katherine Ciesinski and Paul O'Dette.