1926: Township of York Board decided that new school was to be named after John Wanless, a Township of York council member, alderman, member of the Board of education, and businessman. February 15, 1926: Classes began on site in two portables as an annex to Bedford Park School. By September, the number of students grew and two additional portables were added. By the Fall of 1926, sketches and tenders for the new building had been acquired. January 18, 1927: Cornerstone of building laid by Trustee John Wanless. Construction costs amounted to $12 535. September 1927: Nine-classroom building opened as John Wanless School (no longer an annex of Bedford Park School) 1928-29: Addition built to accommodate increasing population, southern extension which included 10 classrooms and a Kindergarten. 1934: Major addition by C.E. Dyson (possibly the one completed in 1935-36) 1935: New wing built during 1935, possibly completed in 1936 which added six rooms to the north (total of 26 rooms) 1950s: Principal H.L. Matthews organized for improvements to the building such as new office and supplies centre, staff room, teachers' lunchroom, and a war memorial. 1961: School library opened after converting two classrooms into a large room 1997: Notable addition

• - E.J. Curry - Plastering
• - A.B. Ormsby, Limited - Kalamein Doors
• - Can. Telephone Supplies, Limited - Phones
• - Manufacturers' Hardware Company - Ornamental Iron Supplier
• - W.A. Moffatt & Son - Asphalt Mastic
• - Thomson Monument Company - Marble
• - Heather & Little - Ventilation
• - A.C. Wild Company - Pipe Covering
• - R. Jeckells - Painting
• - J.E. Myers - Wiring
• Carpenter - R. Campbell
• Elevator supplier - Turnbull Elevator Company
• Heating installation - B.H. Miller Company - Plumbing and Heating
• Masonry - H. Lucas & Son
• Roofing - Duncan-McKeown
• Structural steel supplier - Reid & Brown