[5] Later, the school was renovated in 1914 by Charles Hartnoll Bishop[6] to include a third storey and became the north side of the old building, once the south section was built.

Subsequently, Tridel, a large Canadian condominium development corporation, bought 0.7 acres of land from the TDSB for $23 million.

During construction, the school remained open to students because the new building was built on the location of the old sports field.

Each year, North Toronto CI runs Charity Week to raise money for a charitable foundation that is selected annually by all students.

[12] The North Toronto CI's boys' varsity ice hockey team won the TDSSA championship in 2012, for the first time since 1994 and 1952.

[citation needed] The North Toronto CI's girls' field hockey team won the TDSSA championship in 2005, 2006, and 2008.

[citation needed] In 2005 and 2006, The TDSB Tier 2 senior boys' rugby league team won two championships after back-to-back undefeated seasons.

North Toronto CI provides students with academic and special interest club opportunities.

[13] North Toronto CI's Student Council is composed of democratically elected executive members and a general assembly.

The general assembly is made up of home-form representatives, who convene monthly with the executive in order to relay the concerns of students.

The North Toronto Athletic Association (NTAA) meets weekly and organizes sports-related events, including all intramural leagues and the school's Red and Grey Day, an annual tradition that includes multiple sports games and home-form contests.

The band practices weekly before school from September to November to prepare for its annual appearance in the Toronto and Markham Santa Claus Parades.

[17] The School gives out yearly awards to recognize the best students in sports, academics, music, drama, and citizenship.