Many achievement gaps begin long before children write their first standardized math test. (Piqsels/Id Frela) August 5, 2026 Math gaps between Ontario kids start in kindergarten — and often persist through Grade 9 Fatemeh Ameli, University of Toronto; Eric Duku, McMaster University; Magdalena Janus, University of British Columbia, and Scott Davies, University of Toronto Math achievement gaps begin in kindergarten and persist through Grade 9, highlighting the importance of investing in children’s early development.
