Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_27 (school VARCHAR, enrollment VARCHAR, ihsaa_football_class VARCHAR)

### Question ###
What school has more than 533 enrolled and is an IHSAA Football Class of aa?

### Accurate SQL ###

SELECT school FROM table_name_27 WHERE enrollment > 533 AND ihsaa_football_class = "aa"