Final answer:
The definite article of 'escuelas' in Spanish is 'las'.
Step-by-step explanation:
The definite article of the word 'escuelas' in Spanish is las.
'Escuelas' is the plural form of the noun 'escuela', which means 'school' in English. In Spanish, definite articles change depending on the gender and number of the noun. Since 'escuelas' is a plural noun and it is feminine, the definite article is 'las'.
For example, you could say 'Las escuelas son importantes', which translates to 'The schools are important' in English.
Learn more about Definite articles in Spanish