Deletion of The Crefeld School

Comment: Sites that require payment or registration to view the relevant content are considered sources to be avoided as per 
Stance: comment
Cited policy: Wikipedia:External links (WP:EL)

Comment: let's see the |non-trivial independent references.  I'm going away next week, so please discount my !vote if some are found
Stance: delete
Cited policy: Wikipedia:Notability (WP:N)