What's the plural form of school uniform? Here's the word you're looking for.
Answer
The noun school uniform can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be school uniform.
However, in more specific contexts, the plural form can also be school uniforms e.g. in reference to various types of school uniforms
or a collection of school uniforms.
Examples
As a matter of fact, I always had a vision that my secondary school uniform would be the blue pinafore dress with the white blouse inside.
I have five sets of basketball gear, two jumpers, two joggers, three suits of school uniform and two pair of basketball shoes.
The stage, however, plays host not to righteous roots reggae or foam-mouthed punk rock, but to a scattered group of girls in school uniform.
Dressing in my normal charm school uniform of a pleated skirt, white blouse, and black knee-highs, I joined Seth downstairs.
I played minigolf in Feilding on Sunday, for the first time since I was a school uniform clad teen.
Dressing in my normal school uniform of a pleated skirt, white blouse, and black knee-highs, I joined Seth downstairs.