Holy Trinity Catholic Secondary School, Oakville
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  • STUDENT EXPERIENCE
    • Safe & Welcoming Learning Environment
      • Bullying Prevention
      • Code of Conduct
      • Mental Health & Well-Being (external site)
      • Religious Accommodations (external site)
      • Special Education Advisory Committee (SEAC) (external site)
      • Human Rights & Equity (external site)
      • Report an Incident (external site)
    • Athletics and Clubs
      • Sports, Clubs & Activities
      • Forms
      • Schedule & Results (HCAA) (external site)
    • Faith and Community
      • Indigenous Education (external site)
      • Ontario Catholic School Graduate Expectations (external site)
      • Family of Schools
      • Chaplaincy
      • Parish Information
      • Theological Theme (external site)
      • Community Resources (external site)
  • ACADEMICS
    • Student Services
      • Student Services
      • Course Selection (Grades 10-12)
      • Community Involvement Hours
      • Information by Grade
      • Graduation Information
      • Post Secondary Application Information
      • Scholarship Application Information
      • Student Information System (external site)
    • Programs
      • Advanced Placement
      • Departments
      • Extended French Program
      • Pathways (external site)
      • Specialist High Skills Majors (SHSM)
      • Co-Op
      • Prior Learning Assessment & Recognition (PLAR) (external site)
      • Summer School and Night School
    • Resources
      • Library (external site)
      • Student Online Access
      • myBlueprint Education Planner
      • Pathways Planner (external site)
      • Academic Support
  • ADVANCED PLACEMENT
    • About Advanced Placement
    • AP Program Application Information & Timelines
  • PARENTS
    • Attendance & Registration
      • Join Our School
      • Report a Student Absence (external site)
      • Vacation and Extended Absence Reporting
      • Grade 8 Information & Registration
      • Student Transportation (external site)
      • Inclement Weather (external site)
      • Student Activity Fee
      • School Uniform Policy
    • Safety & Well-Being
      • Your Child’s Health (external site)
      • Interschool Athletics (external site)
      • Student Accident Insurance (external site)
      • Violence Threat Risk Assessment Protocol
      • Consent for Information Sharing – Students 18+
      • Vaping
      • Parent Support
    • Get Involved
      • About Catholic School Council
      • School Generated Funds
      • Make a Donation (external site)
      • Catholic Parent Involvement Committee (external site)
      • Register as a Catholic School Supporter (external site)
      • Volunteers (external site)
      • A Parent Guide to Education (external site)
  • NEWS & EVENTS
    • News & Updates
    • Morning Announcements
    • School Calendar
    • PA Days
  • OUR SCHOOL
    • About Our School
    • Daily Schedule
    • Student Handbook & Agenda
    • 2026-27 Grade Level Assemblies
    • School Uniform Policy
    • School Improvement Plan
    • Student Nutrition Program
    • EQAO Assessments & Results
    • School Climate Survey
  • CONTACT
    • Contact Us
    • Transcript & Diploma Requests (external site)
    • New to Canada? (external site)
  • All
  • Featured 36
  • PA Days 14
  • Update 20
PA Days

PA Day – Friday, October 9, 2026

September 25, 2026 View
PA Days

PA Day – Thursday, September 3, 2026

August 21, 2026 View
PA Days

PA Day – Wednesday, September 2, 2026

August 21, 2026 View
PA Days

PA Day – June 26, 2026

June 11, 2026 View
PA Days

PA Day – April 24, 2026

April 8, 2026 View
PA Days

PA Day – February 13, 2026

January 30, 2026 View
PA Days

PA Day – January 30, 2026

January 19, 2026 View
PA Days

PA Day – November 28, 2025

November 13, 2025 View
PA Days

PA Day – October 10, 2025

September 26, 2025 View
PA Days

PA Day – Tuesday, September 2, 2025

August 19, 2025 View
PA Days

PA Day – April 4, 2025

March 21, 2025 View
PA Days

PA Day – February 14, 2025

January 30, 2025 View
PA Days

PA Day – January 31, 2025

January 17, 2025 View
PA Days

PA Day – November 29, 2024

November 14, 2024 View

Report an incident involving or impacting students

Students or their parents/guardians should report a hate or bias motivated incident and/or a bullying incident involving or impacting HCDSB students, either as victims, witnesses, or alleged perpetrators.

Report an incident

Contact us

Holy Trinity Catholic Secondary School
2420 Sixth Line,
Oakville, Ontario, L6H 5Z8

905-257-3534

Full contact details

Family of schools

Holy Trinity Catholic Secondary

  • Holy Family Catholic Elementary
  • Our Lady of Peace Catholic Elementary
  • St. Andrew Catholic Elementary
  • St. Cecilia Catholic Elementary
  • St. Marguerite D'Youville Catholic Elementary
  • St. Michael Catholic Elementary

Across Our Community

  • Halton Catholic DSB
  • Career opportunities with HCDSB
  • HCDSB School Planning
  • Halton Catholic Children’s Foundation
  • Adult Learning & Continuing Education
  • Mental Health & Well-Being
  • International Student Program
  • Community Resources
  • New to Canada?
Halton Catholic District School Board

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