I'm using this Sheetgo Attendance template on Google-Sheets but it's designed for US Schools. So it's needed to sort by January to December. I will provide below the assets that I've have about it. Can someone help me with how to Query it? ^^
Source (Google Drive): https://drive.google.com/drive/folders/1aEdUYuKHlaiCrNZShSt20swEu7u13-z4?usp=sharing
Source Data (Picture): 
Where I need to edit the Query:
The previous Query: =QUERY('Overview per month'!A:F,"SELECT A,AVG(B) GROUP BY A LABEL AVG(B) 'Presence rate'",1)