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# What is the difference between Smart Sorting and Simple Sorting?

When you click the 'Rearrange' button on the seating plan, you have two options for automatically arranging students: Simple Sorting and Smart Sorting.

Your decision depends on the complexity of the sort you want to apply:

* Simple Sorting is much faster and will give almost perfect results, but can only handle one rule. 
* Smart Sorting can consider multiple factors at once, including pre-made groups, and student/teacher preferences. However, it will take longer to produce a result and the results will be less perfect.

|  | Simple Sorting | Smart Sorting |
| ---- | ---- | ---- |
| How many criteria can I sort by? | Just one | Many at once |
| How perfect will the results be? | Almost perfect | Depends on the number of students and how many criteria are applied |
| Can student/teacher preferences be considered? | No | Yes |
| Can pre-made groups be considered? | No | Yes |
| How quick is it? | Instant | A few seconds, or longer for very large classes |