If you want to remove cards from your daily repetition, go to your saved queue > see all > by item > remove from queue. This will remove them from your spaced repetition as well. (Any card you've answered otherwise will appear in your daily spaced repetition) 

Keep in mind cards from your school are automatically archived after the exam date of the folder. If you want to keep doing cards from a particular folder you need to switch on long-term repetition for that folder:

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