"Que hay" is a question that means "what is there..."
"Que hay en tu escuela" in English means "What is in your school?"
It means, "What is there [that's] good?"
It means "What is there in the students desk?"
It's Spanish for "that there are good people."
It means "There are many things to do".
"que hay" might mean: that there areif it's a question it might mean: what is there?if you accidentally mixed up the order and you meant "hay que," that means: it is necessary.
It means "What is there in the big cities?"
A good interpretation would be "What's in class?"
Ay! que bonita = Hey, how beautiful you are ! ('Hay' = 'there is/are')
No hay mucho mas que una persona feliz = There is nothing much (better) than a happy person.
Que -> what en > inside tu > you or your casa>house hay> there is/are Que hay en tu casa means, "what is there in your house?"