When the school first opened, the smaller gym was originally intended to be a swimming pool.

The sole portable remaining was used as an extension of the school's drama room until it was removed in 2006 due to budget cuts.

Streetsville has won Senior Boys ROPSSAA (Region of Peel Secondary Schools Athletic Association) Gold Medal in Rugby, as well as an OFSAA Gold Medal, finishing their 2012 season with 32 wins and 0 losses.

The school also has an archery team that does exceptionally well each year winning many Olympic class Gold, Silver and Bronze Medals in ROPSSAA and OFSAA.

The junior girls rugby team maintained an 8 game winning streak in the 2022 15s season.