Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE endowment (school_name VARCHAR, school_id VARCHAR); CREATE TABLE school (school_name VARCHAR, school_id VARCHAR)
### Question:
List the names of the schools without any endowment.
### Answer:
SELECT school_name FROM school WHERE NOT school_id IN (SELECT school_id FROM endowment)