Congressman Joaquin Castro

Representing the 20th District of Texas
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Internship opportunities run throughout the fall, spring or summer semester for college students.  Although all internships in all offices are unpaid, students gain invaluable work experience and understanding of the functionality of a congressional office.  Work hours are flexible to accommodate students' hectic course schedules, but are generally 9:00 a.m. to 6:00 p.m.

Washington, DC

In Washington, DC, our interns are responsible for assisting me and my staff with a variety of tasks. Interns are responsible for answer phones, researching legislation, attending hearings and briefings, and responding to constituent letters on the various issues that come before the House.  As a result, our interns have a firsthand look at the legislative process and the many other functions of a congressional office.

San Antonio, TX

Interns in our San Antonio office will be asked to do many things, including day-to-day office work such as answering phones, writing letters and assisting with research, as well as assisting with constituent casework and handling district-based projects of importance.  Working in our San Antonio office allows interns the opportunity to work directly with our constituents in the community.


Application Deadlines:

Please download application, fill out and submit to

Office of Congressman Joaquin Castro Internship Application Form.pdf

Summer Program:  Applications must be postmarked by April 15th 
Fall Program:  Applications must be postmarked by July 25th    
Winter/Spring Program:  Applications must be postmarked by December 15th