1970

Construction begins on new School.

1971

STS holds its opening ceremonies on September 18.

1972

The Locke Poetry and Short Story Contest is established.

1973

Mixed gender classes are introduced for the first time.

1977

The Essay Contest is established.

1981

A new wing, Anderson Hall, is added to the School doubling the square footage of the School's academic/resource centres. The new wing cost $2.2 million and expands the library, laboratory space and fine arts department.

1982

"Technology immersion" begins at STS with the purchase of eight Atari and two IBM computers.

1983

W.A. "Sandy" Heard, STS' first Head of School retires. Former teacher, Peter B. Ditchburn takes over the position.

1984

STS launches its Alumni Association on May 28. The first STS Terry Fox run occurs. Since the initial event, STS has raised more than $630,000 for cancer research. The first Marti McKay week is held in memory of an STS student named Marti, who passed away in 1981.

1985

Lord Strathcona pays his first visit to STS on April 4, as part of celebrations commemorating the centennial of the driving of the last spike in the Canadian Pacific Railway.

1987

The first Heritage Polo Match is held and the dedication of Anderson Hall takes place.

1988

In Calgary’s Olympic year, classes were paused in February, to allow students, parents, faculty, and staff an opportunity to see the Games.

1989

The summer uniform is introduced. Designed by the Grade 5 class of 1987-1988, the uniform is worn in May, June, September and October. First Black Watch Ball was held in the spring at the Pinebrook Golf and Country Club.

1990

STS hosts the CAIS Heads of School Conference, for the first time.

1992

The Quarter Century Building campaign launched to secure funds for the construction of a new Science Wing.

1993

Sir Edmond Hillary dedicates the climbing tower and participates in the annual prize giving ceremony. The official sod turning ceremony takes place for the new Science Wing.

1994

A new Science Wing expansion is completed, and houses biology, chemistry, physics and general science labs, expanded prep-room facility, three additional classrooms and two fully equipped computer labs.

1995

Old Army huts are refurbished to house Outdoor Education and are relocated to make room for the Arts Centre.

1996

The C.A. Smith Arts Centre is dedicated. This 23,000 square foot addition features a 600 +-theatre, a 240-seat cafeteria and four instructional areas for Band, Music, Drama and Art.

1997

Peter B. Ditchburn retires as Head of School, and the Peter B. Ditchburn Library is dedicated.

1998

Cross Family playing fields are dedicated in the spring. Gordon D. Freight is appointed interim Head of School.

1999

The Sandy Heard Sports Centre is completed. Dedicated to Sandy Heard, the first Head of School, this physical fitness facility features an indoor running track, climbing wall, exercise equipment and dance studio.

2000

Tony Macoun becomes Head of School.

2001

The STS Foundation is formed to focus on long-term funding for the School to “ensure the future financial stability of the School.” The Foundation’s founders are: John S. Burns (SSB, ’56), Donald J.A. Cross (SSB, ’47), E. David Dover (SSB, ’48), Frederick P. Mannix (SSB, ’56), Ronald M. Mannix (SSB, ’62), David H. McDermid (SSB, ’57) and C. Alan Smith.

2003

On February 1, a Grade 10 Outdoor Education class is caught in a tragic avalanche near Roger’s Pass. Ben Albert, Daniel Arato, Scott Broshko, Alex Pattillo, Michael Shaw, Marissa Staddon, and Jeff Trickett lose their lives. February 1 is now acknowledged as Honour Day at STS, to celebrate them and their legacy.

2004

Dr. Catherine Raaflaub becomes Head of School. Forever Woods is completed as a tribute to our students lost in the avalanche, and remains a cherished place.

2005

STS celebrates the centennial of St. Hilda’s School for Girls. The Forever Woods art sculptures are completed and added in May.

2006

Peter B. Ditchburn returns to STS as Acting Head of School.

2007

Dr. William Jones becomes Head of School. Dr Jones was formerly the Director of Senior School, 1992-1999.

2008

The Black Watch Bistro opens after extensive renovations, funded in part by POSTS.

2010

The re-opening of the Peter B. Ditchburn Library after extensive renovations, funded in part by POSTS.

2013

STS receives authorization to open the Middle Years Program (MYP), making STS an International Baccalaureate continuum school.

2014

The grand opening of a new innovative learning environment, Aspen Lodge.

2015

The Inspiring Possibilities capital campaign launched.

2017

STS’ first Kindergarten class was added to our school programs.

2018

The grand opening of the new Elementary and Arts and Innovation building. Mrs. Carol Grant-Watt is appointed Head of School.

2020

Outdoor Education Learning campsites, and athletic bleachers and scoreboard are added to the campus. STS pivots all that they do in response to the global COVID-19 pandemic.

2021

STS kicks off their 50th anniversary celebrations in September.
Renaming of the Elementary School facility to the Rose Elementary Wing.