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Diploma in Addiction and Mental Health Worker

Centennial College

Toronto, Ontario, Canada

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Diploma in Addiction and Mental Health Worker is a diploma in Clinical Psychology programme taught at Centennial College in Toronto, Canada. The programme runs for 4 semesters, delivered on campus. Teaching is in English. Tuition for international students is CAD 18,005 per year (CAD 2,775 per year for local students).

At a glance

Degree: Diploma
Field: Clinical Psychology
Duration: 4 semesters
Delivery: On Campus
Language: English
Local tuition: CAD 2,775 / year
International tuition: CAD 18,005 / year

Last reviewed September 2026 ·

Program details

Overview

Students enrolled in this program are eligible to register for our Specialized Academic Certificate, Indigenous Knowledges: First Peoples in Canada, and earn an additional credential. A fee may apply. Click here for more information. The School of Community and Health Studies proudly offers the Addiction and Mental Health Worker program, a transformative educational journey designed to equip you with the essential knowledge and skills to thrive in the dynamic field of mental health and addiction services. Through a curriculum grounded in evidence-based practices, you will embark on a path to become a compassionate and competent professional capable of making a meaningful difference in the lives of individuals experiencing mental health and substance-use challenges, all while embracing diverse cultural perspectives and practices. In the Addiction and Mental Health Work courses, you will be immersed in a rich learning environment that prepares you to excel in various community health and human services settings, including mental health and addiction agencies, homeless drop-in centres, and crisis service centres. Here, you will cultivate the expertise to effectively engage with individuals, family members, and small groups impacted by addiction and mental health challenges, while advocating tirelessly for equitable access to essential supports and services such as health promotion, prevention, and harm reduction. Moreover, our program is deeply committed to fostering reconciliation with Indigenous communities in Canada, ensuring that you will receive invaluable insights on addiction, mental health, and wellness from diverse cultural perspectives and practices. Complementing your classroom instruction is a second-year field placement experience, offering you the invaluable opportunity to apply your knowledge and skills in real-world settings. Under the guidance of seasoned professionals, you will spend several days each week working directly with community members, gaining hands-on experience in case management, assessment, referral, and navigating systems of care. This immersive practical experience serves to reinforce your classroom learning, providing a solid foundation for your future endeavors in the field. As a graduate of the Addiction and Mental Health Worker program, you'll meet the educational requirements for registration as a social service worker in the Ontario College of Social Workers and Social Service Workers (OCSWSSW). This credential enhances your professional credibility and opens doors to a wide range of career opportunities in the social service sector. Unlock your potential to make a lasting impact in your community and beyond. Enroll in the Addiction and Mental Health Worker program today and discover the path to becoming a dedicated advocate for community members in the pursuit of mental health and wellness for all.

Requirements

Admission Requirements: Entry requires an Ontario Secondary School Diploma or equivalent, or mature-applicant status at 19 or older by the program start, plus Grade 12 English at the College (C) or University (U) level or equivalent, or a pass on Centennial's English Admission Test. English-language proficiency follows Centennial's institution-wide certificate/diploma scale: IELTS Academic 6.0 overall with no band below 5.5, TOEFL iBT 67 (Reading at least 16, Writing at least 23), PTE Academic 51 or above, CAEL 60 overall, or Duolingo 105–114; a Grade 12 Ontario college/university-stream English course also satisfies it. Once admitted, students must maintain a grade of C or higher in every core course to continue in the program. No portfolio or interview is required.

Application Details

Start Date: January
Application Deadline: Centennial publishes no application deadline for this program; what follows is the Ontario college cycle that governs it. Domestic applicants apply through ontariocolleges.ca: for a program starting in Fall 2027 the equal-consideration date is 1 February 2027, and applications arriving after it are still assessed, but first-come first-served while places remain. Across the Ontario college system the application opened on 26 September 2026, offers may be issued from 1 November 2026, and an offer must be accepted by 1 May 2027. One $150 fee covers up to five program choices. International applicants apply directly to Centennial through its own international application process and are assessed on a rolling basis across the Fall, Winter and Summer intakes; the college publishes no fixed international closing date. These are institution-wide dates; this programme publishes no deadline of its own.

About Centennial College

Type: College
Campus setting: Urban
Founded: 1966
Students: 34,000
Programs: 187
Location: Toronto, Ontario, Canada

View the full Centennial College profile

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Scholarships in Canada

  • Entrance Scholarships for International Students — CAD 5,000

Frequently asked questions

What degree does Diploma in Addiction and Mental Health Worker award?

Centennial College awards a Diploma in the field of Clinical Psychology on completion of this programme.

How long does Diploma in Addiction and Mental Health Worker take?

The programme runs for 4 semesters.

How much does Diploma in Addiction and Mental Health Worker cost?

Tuition for international students is CAD 18,005 per year (CAD 2,775 per year for local students).

Can Diploma in Addiction and Mental Health Worker be studied online?

No — the programme is taught on campus at Centennial College.

What language is Diploma in Addiction and Mental Health Worker taught in?

The programme is taught in English.

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