Home - John Diefenbaker Senior School

Welcome to John diefenbaker senior school

Home of the Trojans!

Hanover, Ontario | Grades 7–12

Welcome to John Diefenbaker Senior School (JDSS)! At JDSS, we take pride in our rich heritage and forward-looking vision. Our state-of-the-art facility, opened in 2019, continues a legacy of educational excellence that began with the original JDSS/Hanover District High School, proudly serving the community since 1924.

Today, we’re home to 795 students from Grades 7 to 12 - including 165 elementary students and 630 secondary students. More than just a school, JDSS is a vibrant community where every student has a place to shine.

Academics That Launch Futures

Whether you're aiming for university, college, apprenticeship, or the workforce, JDSS prepares you to succeed.

We offer:

A strong academic program across all pathways
Enrichment through local, provincial, and international field trips
Hands-on learning experiences inside and outside the classroom

Specialist High Skills Major (SHSM) Programs

Build your future with one of our six SHSM programs:

Construction
Hospitality & Tourism
Information Technology
Manufacturing
Transportation
Non-Profit

These specialized pathways give students valuable industry experience and certifications.

Athletics & Extracurriculars

JDSS is proudly competitive in athletics! Our Trojan teams regularly compete at BAA finals, CWOSSA, and OFSAA. But sports are just the beginning.

From flag football and drama productions to Model UN and lunchtime intramurals, there’s something for everyone. Being a Trojan means getting involved, and making lifelong memories.

Join the JDSS Family

At JDSS, we believe students learn best when they feel connected. That’s why we work hard to foster a welcoming, inclusive environment where everyone belongs.

Interested in joining us? We'd love to hear from you!

Call: (519) 364-3770