The Layered Approach

How technology can improve school air quality and student performance

Citadel to Provide HALO Sensors to Twin Rivers Unified School District

The sensors will help enhance school safety and security across the Californian district

Citadel Awarded Region 4 Education Service Center Contract

The Region 4 occupational health and safety services contract will also be made available to agencies nationwide through a partnership with OMNIA Partners

Clean Air in Schools: Beyond COVID-19

With thoughtfully designed layers, it is possible to close the clean air and education gap by keeping students in school

From The White House to the Classroom – Layered Protection Is The Answer

Chief Science Offer Lew Hofmann, MD shares how his experience as the White House physician post-9/11 informed Citadel's innovative layered protection in the school environment — and why it's the best approach to health and safety.

Architecture CEO & Visionary Says School Design Key to the Future of U.S. Education

PBK Executive Chairman Dan Boggio talks about leading a national discussion on the ‘School of the Future’ on the Coffee with Closers Podcast

Citadel joins KEYE-TV from CBS News in Austin to discuss our latest survey and ways to improve student learning

Retired Texas superintendent and Citadel Education Advisor Dr. Leonard Merrell says while people remain divided on masking and vaccines, most everyone agrees on the need to improve student learning.

Surveys of Texas K-12 Parents, Teachers Reveals Divisions over Masks, Vaccines; Unity on Clean Air, In-Person Learning

Parents and teachers share strong concerns about contracting Covid-19, maintaining high quality education

Despite Deep Divisions over Covid-19 Protocols, the Need for Clear Air in the Classroom Unites Houston Parents

Half of all parents would consider switching school districts if better air quality and a healthier indoor environment were offered