This is the 384th most frequent Persian word.
مدارس
"مدارس" means "schools" in English.
Here, "مدارس" is used in its general meaning to refer to educational institutions.
مدارس در ایران استانداردهای متفاوتی دارند.
Schools in Iran have different standards.
In this sentence, "مدارس" specifically refers to a subset of schools being discussed in a particular context.
برخی مدارس نیاز به امکانات بیشتری دارند.
Some schools need more facilities.
Here, "مدارس" pertains to private schools, highlighting a category of schools.