Non-Toxic School Uniforms, ranked by PFAS grade

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Top-graded picks in the categories readers replace first, every one scored on the same rubric.

  • polypropylene filter housing, carbon/sediment cartridge
  • We found no PFAS statement from the brand
  • Bacterial growth in spent cartridges

3 hazards checked on this product, all on its full breakdown.

  • RO membrane, carbon filters, stainless steel housing
  • We found no PFAS statement from the brand
  • Bacterial and microbial growth in housing and filters

4 hazards checked on this product, all on its full breakdown.

Avocado Vegan Mattress

Avocado

Vegan Mattress

100ExcellentPFAS grade
✓ MADE SAFE Certified✓ Global Organic Textile Standard (GOTS)
  • organic cotton, natural latex, coconut coir, recycled steel coils
  • The brand calls it PFAS-free, which we have not verified
  • Heavy metals

2 hazards checked on this product, all on its full breakdown.

What we found
All 78 school uniforms PFAS Authority has graded score below its 70 point pass mark for PFAS and other toxins, as of November 2026.

The full ranking is below, best-graded first, with every score linking to the evidence behind it. Nothing here clears our buy threshold yet, so the least-concerning options come first.

Are school uniforms safe?

None of the 78 school uniforms we graded come back low-concern on our screen. Our grades are model-based assessments built from published materials, ingredient lists, certifications and brand disclosures, not laboratory tests, so they say what we can evidence rather than that anything is safe.

Best graded school uniforms here

  1. 1Dickies Boys Classic Fit Flat Front Pant 65 out of 100
  2. 2Izod Girls Izod School Uniform Short Sleeve Polo Shirt 65 out of 100
  3. 3Kaynee Men's S/S Pique Polo Adult 65 out of 100
By materialOrganic Cotton

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The best non-toxic school uniforms, ranked by grade

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Buyer’s guide

What to look for in school uniforms, and which brands grade best and worst

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Why Dickies Boys Classic Fit Flat Front Pant grades highest here, and why that is not a pass

Every grade on this page is one sum. A category starts from a baseline, each disclosed material or coating adds risk points, and each thing the brand or a third party has published takes them away. Below is that sum for the winner, then for 2 products it beats, so you can see exactly where the 45 points between the top and the bottom of this school uniforms ranking come from. Nothing in this category reaches our 70 point pass mark, so this is the shape of the field rather than a recommendation.

Top graded, and still below our pass mark

Dickies Boys Classic Fit Flat Front Pant
65Good
Dickies Boys Classic Fit Flat Front Pant

Made of cotton/polyester blend, no special coatings.

  • +30Category baseline. The starting point for this type of product, before anything specific to this product is counted.
  • +15No PFAS disclosure. No public statement from the brand about PFAS in this product.
  • -10Base material not linked to PFAS. The main material recorded for this product is not one associated with PFAS.

35risk points in total, which is a grade of 65

What the grade does not fix. It still carries one risk factor, No PFAS disclosure, and our graders recorded 4 other hazards on it. See the full breakdown.

What it still grades above, and why

Dockers Classic Fit Men's Stain Defender Button Down Shirt with Long Sleeves
25Poor40 points behind the winner
Dockers Classic Fit Men's Stain Defender Button Down Shirt with Long Sleeves

What puts it behind. Waterproof / stain-resistant treatment, +35 points. Water-repellent coating treatments have historically used PFAS. The top-graded product carries no such factor.

Made of cotton blend with stain defender finish.

  • +35Waterproof / stain-resistant treatment
  • +30Category baseline
  • +10Vague safety claims only. Uses vague language ("eco-friendly", "clean") without a specific PFAS statement.

75risk points, a grade of 25

Dockers Men's Fit Signature Iron Free Khaki Pants
20Bad45 points behind the winner
Dockers Men's Fit Signature Iron Free Khaki Pants

What puts it behind. Waterproof / stain-resistant treatment, +35 points. Water-repellent coating treatments have historically used PFAS. The top-graded product carries no such factor.

Made of cotton blend with durable water/stain repellent finish.

  • +35Waterproof / stain-resistant treatment
  • +30Category baseline
  • +15No PFAS disclosure

80risk points, a grade of 20

No product on this page was physically tested by us. Every number above comes from published materials, ingredient and coating disclosures, certifications and brand statements, scored on one public rubric. Formulations change without notice, so check the current product listing before buying.

Which school uniforms contain PFAS? Poor and Bad, we’d swap these

Dickies Boys Classic Fit Flat Front Pant

Dickies

Boys Classic Fit Flat Front Pant

65GoodPFAS grade
  • cotton/polyester blend, no special coatings
  • We found no PFAS statement from the brand
  • Azo dyes and colorants

4 hazards checked on this product, all on its full breakdown.

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  • 100% cotton pique knit
  • We found no PFAS statement from the brand
  • Azo dyes and synthetic colorants

2 hazards checked on this product, all on its full breakdown.

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Kaynee Men's S/S Pique Polo Adult

Kaynee

Men's S/S Pique Polo Adult

65GoodPFAS grade
  • 100% cotton pique
  • We found no PFAS statement from the brand
  • Azo dyes (synthetic colorants)

3 hazards checked on this product, all on its full breakdown.

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Lands' End School Uniform Girls Hopsack Blazer

Lands' End

School Uniform Girls Hopsack Blazer

65GoodPFAS grade
  • Hopsack cotton/cotton blend, untreated
  • We found no PFAS statement from the brand
  • Heavy metals

2 hazards checked on this product, all on its full breakdown.

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Polo Ralph Lauren Boys Stretch Jersey Polo Shirt

Polo Ralph Lauren

Boys Stretch Jersey Polo Shirt

65GoodPFAS grade
  • cotton jersey blend, stretch
  • We found no PFAS statement from the brand
  • Heavy metals

4 hazards checked on this product, all on its full breakdown.

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  • Cotton jersey knit, untreated
  • We found no PFAS statement from the brand
  • Formaldehyde / VOCs

4 hazards checked on this product, all on its full breakdown.

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  • 100% cotton woven oxford
  • We found no PFAS statement from the brand
  • Formaldehyde / VOCs

2 hazards checked on this product, all on its full breakdown.

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  • Tencel (lyocell) fabric, soft washed finish
  • We found no PFAS statement from the brand
  • Heavy metals

2 hazards checked on this product, all on its full breakdown.

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  • 100% cotton pique knit
  • We found no PFAS statement from the brand
  • Formaldehyde / VOCs

3 hazards checked on this product, all on its full breakdown.

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  • cotton/polyester blend chino
  • We found no PFAS statement from the brand
  • Formaldehyde / VOCs

5 hazards checked on this product, all on its full breakdown.

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  • cotton blend, standard school uniform shirt
  • We found no PFAS statement from the brand
  • Heavy metals

2 hazards checked on this product, all on its full breakdown.

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Amazon Essentials Girls' Uniform Skort

Amazon

Essentials Girls' Uniform Skort

65GoodPFAS grade
  • polyester blend, standard school uniform textile
  • We found no PFAS statement from the brand
  • Formaldehyde / VOCs

2 hazards checked on this product, all on its full breakdown.

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  • Cotton blend khaki twill, no stated finish
  • We found no PFAS statement from the brand
  • Azo dyes (synthetic colorants)

3 hazards checked on this product, all on its full breakdown.

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  • cotton jersey knit
  • We found no PFAS statement from the brand
  • Azo dyes and excess dye residue

2 hazards checked on this product, all on its full breakdown.

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  • cotton pique knit
  • We found no PFAS statement from the brand
  • Heavy metals

3 hazards checked on this product, all on its full breakdown.

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  • pique cotton blend (likely cotton/polyester)
  • We found no PFAS statement from the brand
  • Formaldehyde / VOCs

4 hazards checked on this product, all on its full breakdown.

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  • cotton/polyester blend, no stated treatment
  • We found no PFAS statement from the brand
  • Azo dyes in polyester-cotton blends

3 hazards checked on this product, all on its full breakdown.

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  • Cotton-polyester blend (typical uniform pants)
  • We found no PFAS statement from the brand
  • Azo dyes and synthetic dyes

4 hazards checked on this product, all on its full breakdown.

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  • cotton/polyester blend, no reported coating
  • We found no PFAS statement from the brand
  • Azo dyes and synthetic colorants

3 hazards checked on this product, all on its full breakdown.

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Boys Flat Front Stretch Twill Pants 049

Dennis Uniform

Boys Flat Front Stretch Twill Pants 049

65GoodPFAS grade
  • cotton blend twill, no special treatment disclosed
  • We found no PFAS statement from the brand
  • Formaldehyde / VOCs

4 hazards checked on this product, all on its full breakdown.

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  • cotton or cotton-polyester blend jersey knit
  • We found no PFAS statement from the brand
  • Azo dyes and color fastness

3 hazards checked on this product, all on its full breakdown.

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  • cotton twill blend, no stated water-resistant treatment
  • We found no PFAS statement from the brand
  • Heavy metals

3 hazards checked on this product, all on its full breakdown.

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Dickies Juniors Slim Straight Stretch Pant

Dickies

Juniors Slim Straight Stretch Pant

65GoodPFAS grade
  • cotton blend with stretch, no reported finish treatment
  • We found no PFAS statement from the brand
  • Azo dyes and colorant toxicity

3 hazards checked on this product, all on its full breakdown.

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  • polyester, cotton blend uniform skirt
  • We found no PFAS statement from the brand
  • Formaldehyde / VOCs

2 hazards checked on this product, all on its full breakdown.

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