1962 - Founded as St. Louis Montessori Academy, first Montessori School in the St. Louis area, by Mrs. Elna Amant; located at Craig Road & Olive Boulevard in Creve Coeur
1971 - School becomes not for profit and adds program for 6 to 9-year-olds
1974 - Moves to 1100 White Road in Chesterfield
1977 - Graduates first sixth grade class
1980 - Becomes affiliated with the American Montessori Society (AMS)
1982 - First Independent Schools Association of the Central States (ISACS) accreditation evaluation
1983 - Capital campaign for first addition to building (preschool, K-1, offices)
1984 - Name changes from St. Louis Montessori Academy to Chesterfield Day School
1987 - Second major addition completed (2-3, 4-5-6, toddler room)
1989 - Second ISACS evaluation
1991 - Purchase of adjacent land and house
1994 - Chesterfield Day School-St. Albans opens in Cape Cod house in the St. Albans development
1995 - Latest addition completed at White Road
1996 - Third ISACS evaluation
1998 - St. Albans initiates pilot program with four 7th graders – the beginning of middle school
1999 - Ground broken for new St. Albans building
1999 - Chesterfield Day School-St. Albans moves into new building
2002 - Fourth ISACS evaluation
2004 - First Upper School graduation at Chesterfield Day School-St. Albans
2007 - Grades 9-12 spin off to become St. Albans High School
2008 - Toddler through Grade 8 spin off to merge with St. Albans High School, creating The Fulton School at St. Albans
2022 - Chesterfield Day School and The Fulton School at St. Albans reunite to become The Fulton School, naming themselves in honor of their shared long-term Head, Dr. Barb Fulton