=Update data on students, teachers, classes and subjects in Agenda Online

prosím preklad učesať, preložený google translatorom:

Before the start of the new school year, the administrator should update the school data database.

We recommend that you update the classroom and student database before movin data to the new school year, so that students who do not attend your school are not moved to the new school year.
Moving data to a new school year

If you find that a student will not start school, it is necessary to delete him / her from Agenda Online in the new school year from the list of students. The student will be deleted from the database in the new school year, it will be retained in other school years.
How to delete a student from a database?

List of subjects: Before the beginning of the school year, it is necessary to check whether some subjects are entered in duplicate. If so, these duplicates need to be removed: =Čo robiť v prípade, že máme zadané niektoré predmety duplicitne?

List of teachers: If a teacher has terminated or interrupted his / her employment at your school, it is not correct to delete his / her data from the database. He needs to set the end date correctly: Teacher terminated employment contract