Apply to be a Host Site
Host Site Applications for Class 24 (2026–2028) open October 6, 2025!
Host Site Application Overview
For more details on mentor requirements and eligibility, please visit Prospective Host Site
Our Host Site Application
When applying, we understand that completing the application may not be feasible during one sitting. With our online application, we have the following features to help you complete your application:
- Save Application - Allows host sites to save their applications until ready for submission
- Re-Submit Application - Allows host sites to re-submit a previously submitted application
We highly encourage applicants to preview the application prior to starting an application.
Click Here to preview the Host Site Class 23 application
Click here to apply as a host site for CSTE AEF Class 24
Class 24 (2026-2028): Application Timeline
Host Site Application Opens
Host Site Application Closes
All applications and supporting materials must be received; any information received after this date will not be considered.
Application Status
Host sites that are approved for Class 24 will be added to our Host Site Locations page.
Matching Process
Host Sites that are approved will be invited to participate in a matching process that includes interviewing with finalists.
Fellow Placement
New Fellows begin their placements during the summer of 2026.