public/district_upload/empty/ext_summaries.csv
district_student_id,home_language,street_address,city_state_zip,meal_status,english_proficiency,special_ed_status,disability1,disability2,single_parent,race_ethnicity,suspensions_in,suspensions_out,years_in_district,school_changes,years_at_current_school,previous_school_name,current_attendance_rate,previous_attendance_rate,esl,tardies