I was a middle school teacher for 20 years, but I cannot imagine what Kindergarten is like.  Maybe like herding cats?
I would not want to deal with all the singing and drawing.
Singing and drawing might be fun.  How old are kids in Kindergarten?
The term kindergarden was coined by the German Friedrich Frobel. I think they are around 5.
I wonder why Mr. Frobel thought of Kindergarten?  Most things start at 1... as in first grade.
Kindergarten
Kindergarten (, ; from German , literally meaning 'garden for the children') is a preschool educational approach based on playing, singing, practical activities such as drawing, and social interaction as part of the transition from home to school. Such institutions were originally created in the late 18th century in Bavaria and Strasbourg to serve children whose parents both worked outside home. The term was coined by the German Friedrich Fröbel, whose approach globally influenced early-years education. Today, the term is used in many countries
at the time: singing, drawing and domestic science classes; physical education based on the German Turner movement. In 1873 the Academy offered the first kindergarten in Milwaukee. Classes initially met in the home of Peter Engelmann, the first teacher, but soon outgrew that.
In 1891-1892 a new home (pictured) was built for the school, with two blocks. The Pfister/Vogel family financed the southern classroom block (on right in photo). It is 3.5 stories, in Romanesque Revival style, with