Add flag to identify school as linked to excs#546

danhalson merged 6 commits intomainRaspberryPiFoundation/editor-api:mainfrom

issues/543-Add_flag_to_identify_school_as_linked_to_ExCSRaspberryPiFoundation/editor-api:issues/543-Add_flag_to_identify_school_as_linked_to_ExCSCopy head branch name to clipboard