- 1984 Blessing of School as it was purchased from Peel District School Board
- 1986 Principal: Edward Bajus
- 1994 Principal: Denis Risavy
- 1997 Mr. Bajus’s proposal to have classrooms with walls and doors were finally implemented. The life skill’s room and special education facilities were also changed to regular classrooms.
- 1998 Principal: Ken Fitzpatrick
- 1999 In the summer of 1998, the front offices, resource rooms, and the library were renovated
- October 19th, 2003 Beatification of Mother Teresa: School name is changed to Blessed Teresa of Calcutta School
- 2004 Principal: Geraldine Khalid
- 2005 Celebrated our 25th Anniversary
- 2006 Lucy DiLella retired and Gerrie Khalid retired
- 2007 Principal: Anna Maltby
- 2008 Peggy Calvert retired
- 2010 Celebrated our 30th Anniversary
- 2012 Principal: Mary Strudwick
- September 2016: Beatification of St. Teresa of Calcutta school
- 2017 Mary Strudwick retired
- 2017 Principal: Caroline Athaide
- 2023 Caroline Athaide retired
- 2023 Principal: Grainne Maddison
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