Trelson Class Manager makes it possible to efficiently and rationally administer students, teachers and courses in Google Classroom™. By synchronizing members of a Google Group™ with listings in Google Classroom™, teaching groups can automatically always be updated, ensuring that the right students and teachers are in the right Google Classroom™. Functions for managing substitute teachers and support educators make it easy to organize the teaching activities locally without system administrators having to step in. Teachers can be added/removed from courses and support educators can bookmark their students and join/leave the courses in which their students participate. Trelson Class Manager contains tools for creating a uniform naming standard for the school's courses. Life cycle management also means that courses that are no longer needed can automatically be archived in bulk. Trelson Class Manager handles personal information in accordance with the GDPR and ensures that courses in the Google Classroom™ are always up to date. Trelson Class Manager in brief -Life cycle management of courses -Automated functions for mass administration -Create a uniform naming standard for Google Classroom™ courses -Synchronization of members -The right people for the right course -Take control of all data in Google Classroom™ -Archiving of completed courses -Personal data is handled in accordance with GDPR -Google Classroom™ admin console -Identification of "orphaned" Google Classroom™ with functions for bulk activities -Self-service for substitute teachers