DHI Classroom Series

We’ve reimagined DHI’s Technical Schools to better support the ever-changing priorities of door security + safety professionals. Our DHI Classroom Series offers increased opportunities to amass critical industry knowledge and skills in smaller, localized formats. To view tuition pricing for all classes, or to find out how you can support or sponsor one of our events, click one of the buttons below. 

2024 DHI Classroom Series

DHI Fall Classroom Series

September 9 – 13, 2024  
St. Louis, MO


Hotel Information

The Fall Classroom Series will take place at the DoubleTree by Hilton Hotel St. Louis-Chesterfield. To receive DHI's discounted rate of $159/night, you must make your reservations using this unique booking link.


Courses Offered:

COR117 - Door, Frame and Architectural Hardware Applications
COR125 - Take-Off & Estimating
COR133 - Electrified Architectural Hardware
NTT201 - Introduction to Bluebeam Revu Fundamentals
EHC423 - Advanced Electrified Architectural Hardware
DHC247 - Intermediate Detailing Doors, Frames and Hardware
AHC307 - Advanced Detailing Doors, Frames and Hardware 
DAI600 - Fire & Egress Door Assembly Inspection
DHT, DHC, EHC, and AHC Exam Testing

View the course schedule here.
Need to Justify Your Attendance?

Use our justification toolkit to make the case to your leadership as to why your participation in the DHI Classroom Series is a solid investment in your professional growth and the overall success of your company.

Cancellation Policy

For cancellations received up until four (4) weeks prior to the start of a Classroom Series, a full refund is available and is subject to a $150 administrative fee. For cancellations received between four (4) and two (2) weeks prior to the start of a Classroom Series, a 50% refund is given. No refunds will be give for cancellations received two (2) weeks or less from the start of a Classroom Series.

Once a Classroom Series begins, no refunds will be given for missed or non-completed courses. Special circumstances such as a significant medical issue, death in family, etc. may allow for a partial refund. Proof of special circumstance may be required. Cancellation requests must be made in writing to education@dhi.org.

Thank You to Our 2024 DHI Classroom Series Sponsors

Our Education Partners' support of DHI technical education furthers students' careers and strengthens our industry as a whole. Want to sponsor the classroom series? View the 2024 Prospectus




Become an Instructor

Interested in supporting the learning of others while giving back to the industry? Consider becoming a DHI instructor! Most instructors are volunteers who have dedicated their lives to the industry, and whose care have left a unique mark on classes and students, alike. If you’d like to impart your technical wisdom and meet students from around the world, we welcome your application! 


Learn More

To learn more about all our educational offerings, visit our Education Resource Guide or build your education path with our education path chart. Questions? Email education@dhi.org or call (202) 367-1134.