1929	Villa Duchesne opens as a boarding and day school for girls
1968	The Academy of the Sacred Heart (City House) in St. Louis merges with Villa Duchesne
1970	Boarding school closes
1971	Boys admitted to the lower school (kindergarten, pre-primary, and first grades)
1973-1974	Restructure of classes, lower school through grade 6 named Oak Hill and enrollment of boys extended through grade 6
1986	School's first capital campaign, Heritage with a Future
1988	Groundbreaking for Duchesne building completed
July 3, 1988	Philippine Duchesne's canonization in Rome
1989	Villa Duchesne celebrates 60th birthday, Duchesne building completed
1990-1991	Villa Duchesne receives the Blue Ribbon School of Excellence Award from the U. S. Department of Education
1991	Service Learning Program, incorporating community service into the school schedule and curriculum for grades 7-11; track dedication recognizes service and generosity of past parent and trustee Sid Holthaus- Track has special rubberized surface; Science Center with 5 State-of-the-art science labs is dedicated in honor of Katherine Kramer Danis '24; administrative offers are computer linked
1992	Sacred Heart Schools become computer-linked through SOFIE, Villa library begins computerization while science department computer lab is added to the Science Center
1993	Villa Thespians are one of 12 high school groups in the nation chosen to perform at the International Thespian Festival
1993-1994	Block schedule is established for grades 7-12, allowing longer and fewer classes each day
1994	New computer lab is created with 22 multi-media Macintosh computers
1996	ISDN line installed allowing access to the Internet from Mac Lab, second computer lab opens with 20 Macintosh computers, 3 mobile computers made available for the use within classroom, computerized chemistry curriculum adopted
1997	Foreign Language Department commits to multimedia workbook to supplement textbook; Library becomes completely computerized; 21 schools become part of the network of Sacred Heart Schools
1998	Villa wins Midwest Field Hockey Tournament, increase in 7th graders
1999	New Oak Hill Library built, Women's Day put together by senior Liz Smith; Sr. Reeves is honored by the Archdiocese for her service in Mexico; golf team is 1st in state.
2000	Archbishop Justin Rigali visits Villa Duchesne; Advanced Technology Applications integrated into the high school curriculum; Mr. Sam Scoirtino becomes new Oak Hill principal; Mac Lab becomes equipped with ethernet and fractional T1 installed; 13 new teachers begin at Villa Duchesne; Condie Field dedicated.

2001	Sister Ann Caire retires as headmistress after 24 years; Villa's Golf team takes second in state; Cross Country team takes third in state; Field Hockey team wins Midwest championship; Computer pilot program begins with 30 laptops and wireless access in selected areas
2002	Dr. Sam Sciortino transitions from Oak Hill Principal to Head of School; Student led Kairos retreats are introduced to Seniors; New laptop carts and SmartBoards are available at Oak Hill; Interactive SMART Boards are installed at Villa
2003	The Tablet PC program rolled out with Villa Freshmen and Sophomores; Athletic Director Debby Watson achieves her 500th field hockey win; Director of Instructional Technology, Stephanie Moore, named National Ed Tech Leader of the Year; The YWCA honors Villa's Service Learning Program; A global partnership is established with Taipei, Taiwan
2004	The Dance Marathon replaces Mission Carnival as a fundraiser for Sacred Heart projects in Haiti and Uganda; The Tablet PC program is extended to include all Freshmen, Sophomores and Juniors; The digital foreign language lab opens; 1929 Main Building preservation project is completed; Curriculum Mapping is introduced; Villa wins Catholic Schools for Tomorrow Innovations in Education Award from Today's Catholic Teacher; Villa's Service Learning Program is awarded an honorable mention by Champions of Character and the Community Partnership Service Award by Grace Hill Head Start
2005	Villa exchange program with Taipei students is initiated; Sister Mary Pat Rives is honored as one of 25 "Ageless-Remarkable St. Louisians" by St. Andrew's Resources for Seniors; Some Sacred Heart students displaced by Hurricane Katrina are able to continue their studies at VDOH
2006	The Tablet PC program is opened to 7th and 8th grade students; The Board approves a record Financial Aid initiative for Oak Hill and Villa families; VDOH admissions publications receive five Case VI awards including Excellence in Communications; The Doorways to the Future Capital Campaign is completed after raising more than $9.8 million.
2007	The cloister in the 1929 Main Building is renovated into classrooms and offices as part of the Bridge to our Future Capital Campaign; Villa Duchesne Field Hockey team is  2007 Midwest Champion; Softball is added to the Villa Duchesne Athletic Program; Superior General Sister Clare Pratt visits VDOH; Barat Hall reunion held at VDOH; Keepers of the Flame established to support faculty and staff in their Sacred Heart mission.
2008	Sixth Grade parents achieve 100 percent participation in Annual Giving; Richard Littlefield, the school's first full-time male faculty member, retires after teaching science at Villa Duchesne for 40 years; A commemorative book celebrates the 50th anniversary of the Chapel of the Convent of the Sacred Heart; Sacred Heart alum and award-winning journalist Cokie Roberts speaks at VDOH.
2009	Oak Hill launches a Junior Kindergarten program for 3-year-olds; Sister Lucie Nordmann is appointed Head of School; Villa Duchesne Volleyball team goes to state for the first time and places second; VDOH creates a Facebook group for its alums to reconnect online; Former Athletic Director Debby Watson is honored at Field Day; VDOH hosts its first all-school open house for JK-Grade 12; VDOH launches new burgundy and navy school logos; VDOH hosts its first Gingerbread Houses with Santa for alums.
2010	Richard Littlefield Science Scholarship established; Villa Duchesne Academic Competition team wins first place in Private School League; Villa Duchesne Mock Trial Team wins second place in state competition; Villa Duchesne Golf wins first place in state; First Oak Hill-Barat Hall Alumni Association Reunion held in June; Oak Hill performs first all-school review; Mums of Alums host first Grandbaby Congé; Sophie the Squirrel children's book published; Sacred Heart Commission on Goals (SHCOG) self study commences.
2011	Barat Hall Scholarship Fund announced; Faculty and Staff achieve 100 percent participation in Annual Giving; Stan "The Man" Musial honored at Field Day; Archbishop Carlson celebrates May Crowning Mass; Richard Littlefield Nature Trail rededicated for Earth Day; Villa Duchesne launches literary magazineVilla Ink; Villa Duchesne Volleyball wins Class 3 state championship.