Most churches are already set up to be perfect school settings. The majority are sitting idle except for Sundays and Wednesdays. The Sunday School rooms are sitting vacant as well as fellowship halls, bathrooms, etc. during the normal adopted school hours of Monday-Friday from 8a-3p.
Here, Champions Christian Academy has chosen to use the ACE Curriculum. The ACE School of Tomorrow has been used around the world successfully for decades. Another advantage is that they provide training for the staff and even include designs for the furniture and classroom setups.
You may choose to download their drawings here or browse through the pdf below.Furniture_Manual