Mark Your Calendar: 2025-2026 Testing Windows and Application Deadlines
Testing Window |
Application Deadline |
November 3 - 17, 2025 |
October 10, 2025 |
May 4 - 20, 2026 |
April 3, 2026 |
July 27 - August 14, 2026 |
July 3, 2026 |
CDS Exam Fees
Initial Exam Fee (1st Time Application Only) |
$595 USD (NDA Members) | $755 USD (Non-Members) |
Retake Exam Fee |
$445 USD |
CDT Exam Fees
*Special Pricing Until May 31, 2025: $240 for NDA Members and Non-Members
Initial Exam Fee (1st Time Application Only) |
$300 USD (NDA Members) | $450 USD (Non-Members) |
Retake Exam Fee |
$225 USD |
Download the Exam Content Outline
*All exam application fees are non-refundable.