Who We Are
The mission of Chesterfield Day School is to provide a personalized education of unparalleled excellence
for students of diverse backgrounds.
Through meaningful work, Chesterfield Day School students will develop fundamental skills, think creatively and critically, identify and solve complex problems of the world, express themselves to the community, and grow in character.
1962 – Founded as the first Montessori preschool in the St. Louis area—St. Louis Montessori Academy by Mrs. Elna Amant
1971 – Becomes a 501(c)(3) non-profit organization and begins serving students ages 6-9
1974 – Relocates to 1100 White Road in Chesterfield, allowing the school to add classes through Sixth Grade
1977 – The first Sixth Grade class graduates
1980 – Becomes affiliated with the American Montessori Society (AMS)
1982 – Accredited by the Independent Schools Association of the Central States (ISACS)
1983 – Addition to the building to increase preschool, K/1 classrooms and administrative offices
1984 – School changes its name to Chesterfield Day School
1987 – Addition to the building to increase 2nd/3rd grade and 4th/5th/6th grade classrooms
1989 – Second ISACS evaluation/accreditation
1991 – Purchased the “Little House” next to the White Road campus for expanded programs
1995 – Most recent addition to the White Road facility is completed, including additional space for the 4th/5th/and 6th grade program
1996 – Third ISACS evaluation/accreditation
2002 – Fourth ISACS evaluation/accreditation
2005 – Long-time Head of School Dr. Barb Fulton passes away after 30 years of service to CDS
2010 – Fifth ISACS evaluation/accreditation
2012 – CDS’s 50th Anniversary celebration
2017 – CDS graduates its 40th class of Sixth Graders!
2017 – Peggy Fiala named Head of School
CDS uses the Educational Records Bureau Comprehensive Testing Program (CTP 4) to assess efficacy of curriculum and relative student performance. The following graph compares the performance of our students with national and independent school norms over a three-year period, from 2014-2016.
Our students consistently outperform their independent school peers on standardized tests, positioning them for success in applying to the secondary schools of their choice.
CDS Sixth Grade Secondary School Placement
Secondary School Placement
Our start-to-finish premier preparation yields graduates who are highly sought after by area secondary schools. According to administrators at these schools, what makes a CDS student unique and coveted are the following characteristics:
All of the feedback we receive from area secondary schools indicates that we are preparing CDS students well to go on to the schools of their choosing — and that they are not only quickly fitting into these schools but leading others, too.