1921

St. Margaret's opens for business with 14 girls and 3 boys in grades K-11. Classes were held in a room above a pharmacy in Tappahannock.
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1923

St. Margaret's graduates its first student, Nancy Berry.
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Mid-1920s

$10,000 is given for the school's first gym; two new dormitories are added and Virginia builds a bridge linking Tappahannock to the Northern Neck.
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1931

Enrollment has grown to 20 day students and 70 boarders. Thirteen girls graduate in the class of 1931.
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1936

School is accredited by the State Board of Education.
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Mid-1940s

St. Margaret's Hall gets an addition; first yearbook is published; Anderton House is purchased for use as dormitory.
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1950

St. Margaret's gets its eighth headmistress, Viola Hubbard Woolfolk.
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1966
New gym is dedicated; silver charms with school seal are given to graduating seniors, beginning a new tradition.
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1975

Chapel extended and renovated.
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1989
Margaret R. Broad becomes the tenth Head of School.
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1990
Ground breaking for library/classroom building to be named after Miss Woolfolk. Board announces $1.5 million campaign.
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1991
St. Margaret’s is one of the first boarding schools in the southeast to establish comprehensive program for international students.
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1994
Peer leadership program established, library card catalog is computerized; three faculty apartments added to Latané Hall.
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1999
$3.8 million Community/Technology Center opens to house riverfront dining room, computer center and math and science classrooms.
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2002

Latane Hall is given a major renovation and makeover.
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2005

The McCuan House dorm project, started in October 2004, is ready for dedication and opening in September 2005. It houses 24 students and 3 faculty apartments in state of the art accommodations.
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2007

St. Margaret’s dedicates a new Athletic Complex, a 42 acre property located a mile away from the main campus. It houses two playing fields, two softball diamonds, a cross-country track, and a faculty residence
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2011
St. Margaret’s celebrates its 90th anniversary.
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