Chattin-McNichols, 1981 Another study of public Montessori programs from 1990-91 received responses from 63 of the 120 school districts or schools to whom surveys were sent.
Chattin-McNichols, 1981 The only other study of public Montessori programs is much more recent. During school year 1990-91, this study received responses from 63 of the 120 school districts or schools to whom surveys were sent.