Now Registering for the 51st Season

Accepting auditions for most sections.  Join us for another year of musical celebrations.  Visit Third Street Music School for more information.

Learn more

Application Form

Please fax paper application forms or financial aid forms to (212) 416-1606. Please call the ISO office with any questions: 212-410-0370.

Please complete the form below to apply for the 2017-2018 ISO Season. If you have not already done so, please read the Auditions and Tuition and Fees pages for more information.