How to Say "co-ed" in Spanish
The Spanish word for “co-ed” is “mixto” — A2 level. This is a very common word in everyday Spanish.

Examples
Mis hijos van a un colegio mixto.
My children go to a co-ed school (a school with both boys and girls).
La ensalada mixta lleva lechuga, tomate y cebolla.
The mixed salad has lettuce, tomato, and onion.
El equipo es mixto; hay hombres y mujeres.
The team is mixed; there are men and women.
Matching the Word it Describes
Since this is an adjective, it changes to 'mixta' when describing a feminine word (like 'la ensalada mixta') and to 'mixtos' or 'mixtas' for plurals.
Placement
In Spanish, 'mixto' usually comes after the person or thing it is describing, just like in 'colegio mixto'.
Mixed Feelings
Mistake: “Using 'mixto' for emotions like 'I have mixed feelings'.”
Correction: Say 'tengo sentimientos encontrados'. 'Mixto' is used more for physical groups or structured combinations.
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