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 school (School_name VARCHAR, school_id VARCHAR)
TABLE: CREATE TABLE endowment (school_id VARCHAR, amount INTEGER)

### Question ###
Find the names of schools that have more than one donator with donation amount above 8.5.

### Accurate SQL ###

SELECT T2.School_name FROM endowment AS T1 JOIN school AS T2 ON T1.school_id = T2.school_id WHERE T1.amount > 8.5 GROUP BY T1.school_id HAVING COUNT(*) > 1