| YEAR | EVENTS |
| 1924 | Wah Yan College Kowloon Branch opened by Mr. Tsui Yan-Sau on December 1 at 70 Portland Street with two classes of 24 students |
| 1926 | Mr. Lim Hoi-Lan became Principal |
| 1928 | Mr. Chow Ching-Lam became Principal School moved to 8 Nelson Street on April 26 with 800 students |
| 1929 | First graduating class with 8 students, among them was The Hon. Mr. Eugene Li Yiu-Bor |
| 1932 | Mr. Lim Hoi-Lan’s second term as Principal |
| 1933 | Wah Yan College Kowloon Branch operating as an independent grant-in-aid school Wah Yan College, Kowloon Investiture of 11th Kowloon Boy Scouts Group |
| 1936 | The first Sports Meet held on April 24 at Kowloon Football Club |
| 1941 | Senior school opened at 103 Austin Road on September 8, administered under the direction of Fr. Edward Bourke, S.J., Rector of Wah Yan College, Hong Kong & with Fr. Richard Gallagher, S.J. as Prefect of Studies Both Senior School and Nelson Street campus interrupted during Japanese occupation |
| 1946 | School reopened. School administration transferred to the Society of Jesus, added to the school name “College of the Sacred Heart” Fr. Patrick Grogan, S.J. appointed the 1st Jesuit School Supervisor and Fr. Patrick Toner, S.J. the Co-respondent while Mr. Lim Hoi-Lan remained as Principal |
| 1949 | 56 Waterloo Road, with an area of 41,000 square metres, selected as site of new campus |
| 1952 | Staff and students of Wah Yan College, Hong Kong PM School and Nelson Street transferred to new campus on September 15 Fr. Patrick Toner, S.J. appointed the 1st Rector New school officially opened by The Governor of Hong Kong Sir Alexander Grantham on December 12 |
| 1953 | The first volume of school magazine, The Shield, with 120 pages, published; edited by Fr. L. Egan, S. J. and Mr. Liu Ki-Ming |
| 1955 | School Auditorium opened |
| 1957 | Fr. Herbert Dargan, S.J. became Rector |
| 1959 | St. Ignatius Chapel consecrated by Bishop Lawrence Bianchi |
| 1960 | Fr. Anthony Farren, S.J. became Rector |
| 1962 | Last Primary 6 class graduated |
| 1964 | School newspaper, The Signum, published |
| 1966 | Fr. Derek Reid, S.J. became Principal Student Association founded by Edmund Kwok Siu-Tong |
| 1967 | Mr. Anthony Ho became the first lay Assistant Principal |
| 1968 | New East Wing opened Wah Yan College Kowloon Past Students’ Association founded April 24, Bernard Wong Kong-Sum elected Chairman |
| 1978 | Fr. Alfred Deignan, S.J. became Principal |
| 1988 | Swimming Pool opened |
| 1989 | New West Wing, The Law Ting-Bong Building, opened |
| 1991 | 1st Student Ambassador, Medes Ma King-Cheung, visited western Canada |
| 1992 | Fr. Alfred Deignan, S.J. retired as the last Jesuit Principal Mr. Norman So of the class of 1965 appointed Principal, the 1st layman since 1952 |
| 1994 | WYK web site set up |
| 1995 | Student Computer Team formed |
| 1997 | School-provided e-mail service for teachers & students started |
| 1998 | Fr. George Zee, S.J. of the class of 1958 became the 1st past student appointed School Supervisor |
| 1999 | Parents’ Association founded |
| 2001 | Ms. Eva Chau became the first female Assistant Principal |
| 2004 | New Annex, The Ricci Building, opened |
| 2005 | Mr. Francis Kong passed away after 44 years of service |
| 2009 | Dr. John K. Tan became Principal |
| 2013 | Dr. John K. Tan resigned. Mr. Warren Chung Wai-Leung (1979) became Principal as of September |
| 2014 | Football pitch reopened with artificial turf. House system established : Loyola (red) House, Xavier （white）House, Faber （blue）House, Ricci （green）House |