DENNIS makes school uniforms easy.™
Make it easy for schools to design and maintain best-in-class uniform programs that meet their goals and values, while providing families with seamless shopping experiences for high-quality, comfortable uniform products that students deserve.
A Century of Expertise
Established in 1920 in Portland, Oregon, 2020 marked a century of expertise for DENNIS Uniform. After 100 years, we’ve earned the title of Uniform Experts - we’re celebrating the milestone and keeping the title for the next hundred years. As the largest school uniform provider in the nation, over 2,000 top schools rely on DENNIS to design top-quality school uniforms and deliver best-in-class uniform programs.
We got our start manufacturing nursing uniforms in our Portland, Oregon factory - the very same union factory we use today.
Shifting our focus to serve the war effort during WWII, we supplied linens and apparel to military personnel shipping out of the Port of Portland.
After the war’s end, we created our first line of school uniforms, including our very first plaid. We opened our first retail uniform store in 1951.
With 30+ retail stores nationwide and an online store open 24/7, we are the #1 school uniform provider in the USA serving over 2,000 schools and outfitting half a million students every year.
Make It Easy.
Simplicity is our true north. From design to selection, purchasing to the first wear, we strive to make every experience effortless.
Through transparency, reliability and consistency, we dedicate our efforts to earning trust from every school and every family.
Dedicated To Our Core.
In an industry where brands compete for attention, we stay focused on delivering top-quality uniforms and best-in-class service.
Quality You Can Depend On.
From innovative fabric to detailed improvements, every product is tested for durability and backed by our guarantee.
Listen. Learn. Lead.
Our top priority is listening to, learning from and staying aligned with every school’s objectives and every customer’s expectations.
We manufacture responsibly - fabric sources matter! Whether a uniform is made at our Portland factory or sourced from a carefully selected and monitored partner, we use domestic fabrics whenever possible and ensure all partners meet the strictest standards of working conditions and fair labor practices. Manufacturing locally is a commitment we will always honor, supporting the local economy and controlling the quality of our garments.Learn More
Our foundation is our superior yarns - enduring every student’s active lifestyle, our uniforms are best in class and built to last. We consistently inspect and refine all our products, maintaining our high standards and exceeding our customer’s expectations. Every DENNIS product is backed by our 100% guarantee for life against manufacturing defects and guaranteed to withstand an entire year’s worth of wear and tear.Learn More
The best schools in the nation rely on DENNIS because we’re so much more than outfitters - we forge lasting partnerships that benefit administrators, communities and families.
- Event Sponsorship
- Seasonal Promotions
- Uniform Financial Aid
- Uniform Scholarships
- ...and so much more.
School Uniform Shopping has Never Been Easier.
State of the Art Technology
We continue to invest in and pursue the most innovative technology to improve every customer’s experience. From mobile-friendly layouts to simple navigation and fast checkout, it all comes down to making uniform shopping easy for busy families.Tour a Webstore
The Perfect Fit
Take the guesswork out of shopping and get the right size the first time. Our Sizing & Fit Hub is a helpful resource built by Uniform Experts, featuring all the real tools that families need.
- Accurately Measure Your Child
- Printable Measuring Tape
- Size Charts for All Ages
- Comparison Charts & More