Timeline of ASL
1951
Stephen L. Eckard opens a school for 13 students in his flat on Hans Place in Knightsbridge
1952
School moves to Grosvenor Square as the School grows to 135 students and 10 teachers
1955
U.S. President Harry Truman addresses students
1957
High School (Grades 10–12) added as the School moves to two Regency houses at Gloucester Gate
1960
First High School graduation (12 seniors)
First yearbook produced
First prom (at Manettas)
The eagle is chosen as the School mascot
1963
School moves to 38/41 York Terrace
Teacher Paul Morton begins 33 years of perfect attendance
1964
ASL becomes an educational trust
The School expands and is housed under 12 roofs
1968
The International Sports League (ISL) is started
York Gate opens for Middle School
Ground breaking for the new campus in St. John's Wood by U.S. Ambassador David K. E. Bruce
1969
The High School moves to the Working Men's College for two years while the new building is finished
1970
The cornerstone for the new school building is laid by the Rt. Hon. Michael Stuart, CH, MP, British foreign and commonwealth secretary, in the presence of U.S. Ambassador Walter Annenberg and ASL Board Chairman Albert F. Lager
1971
The new building is dedicated by the Rt. Hon. Margaret Thatcher, MP, secretary of state for education and science
First graduation in the new building; Lord Hailsham is a guest speaker
First championships in ISL Tournament—boys soccer, girls volleyball
Jack H. Harrison chosen as the second head of school (1971-86)
1972
The Faculty Sabbatical Policy is established; Harry Hurtt is the first recipient
1973
DoDDS (Department of Defense Dependents Schools) Sports League begins
The Student-Teacher Mentor Program is established
1974
First Music Tour – Stage Band goes to The Hague
The American Memorial Collection is established in the Mellon Library to commemorate ASL families killed in a Paris plane crash
International Schools Sports Tournament (ISST) is started
1975
International Honor Band and Choir are established by ASL faculty
The HS student newspaper, the Standard, is started
1978
First High School Alternatives trips
1979
Death of ASL founder and first head of school Stephen L. Eckard
1981
First computer lab is built
1984
Concert Band plays for U.S. President Ronald Reagan at Winfield House, residence of the US ambassador
1986
William E. Harris is chosen as the third head of school (1986-91)
1991
Death of William E. Harris, third head of school
William H. Greenham is chosen as fourth/interim head of school (1991-92)
1992
Judith R. Glickman is chosen as the fifth head of school (1992-98)
1994
Canons Park playing fields are purchased
1996
Schoolwide computer network is installed
1997
Board of Trustees approves a Facilities Master Plan
1998
William C. Mules is chosen as the sixth head of school (1998-2007)
The school launches its first capital campaign, SchoolWorks, in support of campus renovation and expansion
1999
SchoolWorks' ground breaking ceremony for the School's renovation and expansion
2000
Completion of new gyms and the High School humanities wing
2001
Completion of the SchoolWorks capital campaign
ASL celebrates 50 years of providing quality education
2006
The School launches its second capital campaign, Fulfilling Great Expectations, to increase endowment in support of faculty and staff and to renovate the school theater
Fulfilling Great Expectations ground breaking ceremony for the new School Center for Education and the Arts
2007
Coreen R. Hester is chosen as the seventh head of school (2007-17)
2008
School Center for Education and the Arts grand opening ceremony—special guests include the Honorable Al Gore
2010
Board of Trustees adopts the 2010 Strategic Plan
2011
Founder's Day celebrated in April to mark the founding of ASL in April 1951 and the school's 60th anniversary
2013
Board of Trustees announce plans for ASL's third capital campaign, New Frontiers, in support of program excellence, new and renovated facilities, and endowment growth
2016
Community Arts Building, Aquatic & Fitness Center, Learning Commons and renovated MS and HS science spaces open
2017
Robin Appleby is chosen as the eighth head of school (2017-2021)
2022
Coreen R. Hester returns as Interim head of school (2022-23)
2023
Matt Horvat is chosen as the ninth head of School (2023-)