The University of Washington Libraries has a very interesting collection of over 450 print advertisements in local magazines, city directories, and theater pamphlets of the Pacific Northwest from 1867 - 1918.
I'm particularly intrigued with this one: The Reed School of Nervous and Backward Children (1906). The ad noted:
The "family physician" notes that this school is not for the exploitation of any "fad" in child training, but is open to the acceptance of the latest developments in its line of work which have received scientific approval.
The parent notes the truly "homelike" atmosphere which is present, as indicated by the entire absence of anything "institutional."
The school was in Detroit, Michigan, and was conducted by Mrs. Frank A. Reed. According to The Handbook of Private Schools (1920) by Porter Sargent:
"Instruction is given in manual and physical training, vocal and instrumental music, drawing, painting, and the usual school subjects. The School for Stuttering and Stammering at the same address is entirely separate"