3900 Orange Court Boulder, Colorado 80304 phone: 303 443 0511 Copyright &#169 1999 ProMotif Media, Inc. Copyright &#169 1999, 2001 Jarrow Montessori School Photos courtesy of Michael Lichter Photography and the Jarrow archives. Artwork provided by Jarrow students. Founded in 1964, Jarrow Montessori School is the oldest Montessori school in Colorado. Jarrow is a private, non-profit, co-ed day ...