11 Feb 1925

MCS opens with 12 students in the convent parlour at 103 Austin Road with Sr Mary Paul in charge.

1931

The school moves to Prince Edward Road.

1935

Sr Ann Mary Farrell replaces Sr Mary Paul as Principal of the Secondary Section.

1937

The new building at Waterloo Road and Boundary Street becomes the new MCS.

1941

The Sisters have to leave H.K. because of the Japanese Occupation.

1945

The Sisters return to H.K. and reopen the school.

1950

Silver Anniversary of Maryknoll Convent School

1959

Sr Mary de Ricci replaces Sr Ann Mary as Principal.

1960

The Secondary School moves into a new building at 5 Ho Tung Road because of a significant increase in the number of students.

1965

Sr Rose Duchesne replaces Sr Mary de Ricci as Principal of the Secondary Section.

1972

Sr Jeanne Houlihan becomes Principal of the Secondary Section.

1975

Golden Anniversary of Maryknoll Convent School

1985

Diamond Jubilee of Maryknoll Convent School

Jan 1987

Mrs Lydia Huang replaces Sr Jeanne Houlihan as the first lay Principal of the Secondary Section. Sr Jeanne remains Supervisor.

Jan 1991

Sr Agnes Cazale replaces Sr Jeanne Houlihan as Supervisor of the Secondary Section.

May 1992

The MCS Educational Trust is founded to advance education at Maryknoll.

Jan 1995

The Jockey Club Wing of the Secondary Section is opened.

Jan 1997

Mrs Gloria Ko replaces Mrs Lydia Huang as Principal of the Secondary Section.

2000

75th Anniversary of Maryknoll Convent School

Sept 2002

Mrs Winifred Lin replaces Mrs Gloria Ko as Principal of the Secondary Section.

July 2004

MCS Foundation is established for the purpose of taking over the school sponsorship from the Maryknoll Sisters.

2005

80th Anniversary of Maryknoll Convent School

Feb 2005

The Rogers Annex of the Secondary Section is opened.

Aug 2005

MCS Foundation officially takes over as the School Sponsoring Body.

Sr Jeanne Houlihan replaces Sr Agnes Cazale as Supervisor of the Secondary Section.

Sept 2006

Ms Melaine Lee replaces Mrs Winifred Lin as Principal of the Secondary Section.

May 2007

MCS celebrates the 70th Anniversary of having moved into the school building at Waterloo Road and Boundary Street.

16 May 2008

MCS school building at Waterloo Road and Boundary Street (including the convent building) is declared a monument under the Antiquities and Monuments Ordinance.

2010

85th Anniversary of Maryknoll Convent School

July 2011

Dr Maria Lee Lai Wan replaces Sr Jeanne Houlihan as Supervisor of the Secondary Section.

2012

Centennial year of the Maryknoll Sisters

31 Aug 2013

The Incorporated Management Committee (IMC) replaces the School Management Committee to manage the school.

11 Feb 2015

90th Anniversary of Maryknoll Convent School; Laying and blessing of the Time Capsule in the Centennial Garden of Peace

Sept 2018

Ms Ophelia Ngan replaces Dr Maria Lee as Supervisor of the Secondary Section.

Sept 2023

Ms Meimei Chan replaces Ms Melaine Lee as Principal of the Secondary Section.