MCS opens with 12 students in the convent parlour at 103 Austin Road with Sr Mary Paul in charge.
The school moves to Prince Edward Road.
Sr Ann Mary Farrell replaces Sr Mary Paul as Principal of the Secondary Section.
The new building at Waterloo Road and Boundary Street becomes the new MCS.
The Sisters have to leave H.K. because of the Japanese Occupation.
The Sisters return to H.K. and reopened the school.
MCS celebrates its Silver Anniversary. The MCS Former Students’ Association is formed.
Sr Mary de Ricci replaces Sr Ann Mary as Principal.
The Secondary School moves into a new building at 5 Ho Tung Road built because of a significant increase in the number of students. The Primary School remains in the Waterloo Road building under Sr Ann Lewandoski.
Sr Miriam Xavier replaces Sr Ann Lewandoski as Primary Principal.
Sr Rose Duchesne replaces Sr Mary de Ricci as Principal of the Secondary Section.
Sr Marie Corinne Rost succeeds Sr Miriam Xavier as Principal of the Primary Section.
The Maryknoll Student Association is set up for the Secondary Section under the guidance of Sr Jeanne Houlihan.
Mrs Hilda Kan becomes Principal of the Primary Section p.m. Session.
An experimental administrative system, a Staff Council, is set up in the Secondary Section. Ms Nancy Yu replaces Sr Teresa Perkes as Vice-Principal of the Secondary Section .
Sr Jeanne Houlihan becomes Principal of the Secondary Section.
Mrs Lydia Huang becomes the second Vice-Principal of the Secondary Section.
Golden Anniversary of Maryknoll Convent School.
Sr Marie Corinne Rost becomes Supervisor of the Primary Section. Mrs Elsie Wong becomes Principal of the Primary Section (a.m. Session).
Sr Rose Duchesne replaces Sr Marie Corinne Rost as Supervisor of the Primary Section.
Diamond Jubilee of Maryknoll Convent School
Sr Marya Zaborowski replaces Sr Rose Duchesne as Supervisor of the Primary Section.
Mrs Jennie Chan becomes Vice-Principal and Ms Edith Wong, Senior Council Member of the Secondary Section.
Mrs Lydia Huang replaces Sr Jeanne Houlihan as the first lay Principal of the Secondary Section . Sr Jeanne remains Supervisor.
Sr Jeanne Houlihan replaces Sr Marya Zaborowski as Supervisor of the Primary Section.
The Prefect system is revived for the Secondary Section to help students become more self-disciplined.
Sr Agnes Cazale replaces Sr Jeanne Houlihan as Supervisor of the Secondary Section.
Mrs Lydia Huang replaces Sr Jeanne Houlihan as Supervisor of the Primary Section.
Ms Edith Wong becomes the Principal Assistant Mistress of the Secondary Section.
Ms Patricia Hong becomes the second Vice-Principal of the Secondary Section.
The MCS Educational Trust is founded to advance education at Maryknoll.
The Jockey Club Wing of the Secondary Section is opened.
Mrs Sophie Hsu replaces Mrs Jennie Chan as one of the Vice-Principals of the Secondary Section.
Mrs Teresa Chow replaces Mrs Elsie Wong as Principal of the Primary Section (p.m. Session).
Mrs Winifred Lin replaces Mrs Sophie Hsu as one of the Vice-Principals of the Secondary Section.
Ms Edith Wong retires as Principal Assistant Mistress.
Mrs Hilda Kan retires as Principal of the Primary Section (p.m. Session).
The Primary Section turns into a whole-day school with Mrs Teresa Chow as Principal and Ms Joyce Fong as Vice-Principal.
Mrs Gloria Ko replaces Mrs Lydia Huang as Principal of the Secondary Section.
The Jockey Club Wing of the Primary Section is opened.
Ms Patricia Hong resigns as Vice-Principal of the Secondary Section.
75th Anniversary of Maryknoll Convent School.
The School Advisory Committee (SAC) is set up to replace the Staff Council of the Secondary Section.
The General Staff Assembly (GSA) is set up for the Secondary Section.
Ms Melaine Lee becomes the second Vice-Principal of the Secondary Section.
Mrs Josephine Lo replaces Ms Joyce Fong as Vice-Principal of the Primary Section.
The Maryknoll Convent School (Primary Section) Parent-Teacher Association is set up.
The Maryknoll Convent School (Secondary Section) Parent-Teacher Association is set up.
Mrs Winifred Lin replaces Mrs Gloria Ko as Principal of the Secondary Section.
Ms Cynthia Ho replaces Mrs Winifred Lin as one of the Vice-Principals of the Secondary Section.
Mrs Josephine Lo replaces Mrs Teresa Chow as Principal of the Primary Section.
Ms Maria Cheng replaces Mrs Josephine Lo as Vice-Principal of the Primary Section.
80th Anniversary of Maryknoll Convent School
The Rogers Annex of the Secondary Section is opened.
The Maryknoll Convent School Foundation is founded to succeed the Maryknoll Sisters as the Sponsoring Body of Maryknoll Convent School.
Sr Jeanne Houlihan replaces Sr Agnes Cazale as Supervisor of the Secondary Section.
Ms Melaine Lee replaces Mrs Winifred Lin as Principal of the Secondary Section.
An administration team with shared leadership following Maryknoll Sisters’ administration model is set up. It consists of the Principal and Team Heads of Curriculum & Academic Affairs (Mrs Olivia Chao), General Resources Management (Ms Cynthia Ho), Student Development (Ms Anna Chiu) and School Development (Mr Aloysius Lee).
MCS celebrates the 70th Anniversary of having moved into the school building at Waterloo Road and Boundary Street.
MCS school building at Waterloo Road and Boundary Street (including the convent building) is declared a monument under the Antiquities and Monuments Ordinance.
Ms Doris Yuen becomes the second Vice-Principal of the Primary Section.
Mrs Helen Yu Lai Ching Ping replaces Mrs Lydia Huang as Supervisor of the Primary Section.
85th Anniversary of Maryknoll Convent School
Dr Maria Lee Lai Wan replaces Sr Jeanne Houlihan as Supervisor of the Secondary Section.
The administration team of the Secondary Section started in 2006 has further expanded. The 4 teams are headed by core groups instead of team heads. A representative from each core group becomes ex-officio members of the School Advisory Council. Ms Cynthia Ho remains the only PGM (Vice-Principal).
Centennial year of the Maryknoll Sisters
The Incorporated Management Committee (IMC) replaces the School Management Committee to manage the school.
Mr Herbert Ma becomes the second Vice-Principal of the Secondary Section.
Ms Ivy Ng replaces Ms Maria Cheng as Vice-Principal of the Primary Section.
90th Anniversary of Maryknoll Convent School. Laying and Blessing of the Time Capsule in the Centennial Garden of Peace.
Ms Kitty Lee replaces Ms Doris Yuen as Deputy-Principal of the Primary Section.
Ms Doris Yuen replaces Mrs Josephine Lo as Principal of the Primary Section.
Ms Ophelia Ngan replaces Dr Maria Lee as Supervisor of the Secondary Section;
Ms Amy Ho replaces Mrs Helen Yu as Supervisor of the Primary Section.
Ms Sally Yip replaces Mr Herbert Ma as Vice-Principal (PGM) of the Secondary Section.
Mr Ivan Lam becomes the third Vice-Principal (PGM) of the Secondary Section.
Mr Jason Leung replaces Ms Cynthia Ho as Vice-Principal (PGM) of the Secondary Section.
Ms Meimei Chan replaces Ms Melaine Lee as Principal of the Secondary Section.