"source:date"=>"2014-08-16","denomination"=>"roman_catholic"
"operator"=>"Stichting Openbaar Primair Onderwijs Rivierenland","isced:level"=>"1","source:date"=>"2014-08-15"
"operator"=>"Stichting Entrea Onderwijs","source:date"=>"2014-08-16"
"source:date"=>"2014-08-16"
"school"=>"primary","source:date"=>"2014-07-21"