field_mapping: (Myschool -> Target)
      student_user_id > student_id
      student_primary_email_address > email 
      student_legal_first_name > first_name
      student_legal_last_name > last_name 
      student_common_full_name > preferred_name 
      student_date_of_birth > birth_date 
      student_gender > gender * 
      student_joining_date > enrollment_year 
      student_address_line_one > address 
      student_address_city > city 
      student_address_state > state 
      student_address_post_code > postal_code 
      student_address_country > country 
      Student_class_level > grade 
      student_passport/id > passport_id 
      student_profile_photo > profile_photo
      student_guardian_id > parent_id 

 field_mapping: (Myschool -> Target)
      guardian_user_id > id 
      guardian_legal_first_name > first_name 
      guardian_legal_last_name > last_name 
      guardian_gender > gender *
      guardian_address_line_one > home_street_address_one
      guardian_address_line_two > home_street_address_two 
      guardian_address_city > city 
      guardian_address_state > state 
      guardian_address_post_code > postal_code 
      guardian_address_country > country 
      guardian_primary_email_address > email 
      guardian_relationship_type > parent_role  **
      guardian_profile_picture > profile_photo