school=>[
          0=>{school_type=>"school", school_name=>undef, graduation_date=>undef}, 
          1=>{school_type=>"school1", school_name=>undef, graduation_date=>undef},
                 ],

##</code><code>##

school=>[
         {school_type=>"school", school_name=>undef, graduation_date=>undef}, 
         {school_type=>"school1", school_name=>undef, graduation_date=>undef},
                 ],