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_id number, school text, location text, enrollment number, founded number, denomination text, boys_or_girls text, day_or_boarding text, year_entered_competition number, school_colors text )
TABLE: CREATE TABLE school_performance ( school_id number, school_year text, class_a text, class_aa text )
TABLE: CREATE TABLE school_details ( school_id number, nickname text, colors text, league text, class text, division text )
TABLE: CREATE TABLE player ( player_id number, player text, team text, age number, position text, school_id number )

### Question ###
What is the denomination of the school the most players belong to?

### Accurate SQL ###

SELECT T2.denomination FROM player AS T1 JOIN school AS T2 ON T1.school_id = T2.school_id GROUP BY T1.school_id ORDER BY COUNT(*) DESC LIMIT 1