GRADE 12 OSSD COURSES
Complete your Ontario Secondary School Diploma (OSSD) with Ontario International School’s Grade 12 online OSSD courses. Earn the credits you need for graduation, prepare for university, and study through flexible, Ministry-inspected online learning.
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Explore Grade 12 Online OSSD Courses
Explore Grade 12 online OSSD courses designed to support academic achievement, graduation requirements, and future university or college pathways through flexible online learning.
ENG4U – Grade 12 English
ENG4U is a university-preparation course that develops advanced reading, writing, oral communication, and media literacy skills through the study of complex literary and informational texts. Students analyze themes, perspectives, and language techniques while refining critical thinking and academic communication skills in preparation for postsecondary studies, in alignment with the Ontario Curriculum.
BBB4M – Grade 12 International Business Fundamentals
BBB4M is a Grade 12 university/college preparation course that explores the principles of international business, including trade, marketing, and global economic trends. Students analyze business strategies, ethical practices, and cross-cultural communication while developing critical thinking, problem-solving, and decision-making skills in alignment with the Ontario Curriculum.
BOH4M – Grade 12 Business Leadership
BOH4M is a Grade 12 university/college preparation course that explores leadership theories, organizational structures, and management practices in business. Students develop skills in decision-making, team building, and strategic planning while analyzing real-world business challenges and fostering effective leadership, in alignment with the Ontario Curriculum.
SCH4U – Grade 12 Chemistry
SCH4U is a university-preparation course that builds on Grade 11 chemistry concepts and explores chemical systems in greater depth. Students investigate thermodynamics, kinetics, equilibrium, and organic chemistry through laboratory experiments and problem-solving, developing critical thinking, analytical, and scientific communication skills in alignment with the Ontario Curriculum.
SPH4U – Grade 12 Physics
SPH4U is a university-preparation course that extends students’ understanding of physics concepts, including mechanics, electricity, magnetism, and waves. Through inquiry, problem-solving, and laboratory investigations, students develop analytical, critical thinking, and scientific communication skills, in alignment with the Ontario Curriculum.
SBI4U – Grade 12 Biology
SBI4U is a university-preparation course that explores advanced biological concepts, including molecular genetics, evolution, homeostasis, and biotechnology. Students engage in inquiry-based investigations and analysis to develop critical thinking, research, and scientific communication skills, in alignment with the Ontario Curriculum.
MHF4U – Grade 12 Advanced Functions
MHF4U is a university-preparation mathematics course that extends students’ understanding of functions, including polynomial, rational, exponential, logarithmic, and trigonometric functions. Students develop problem-solving, reasoning, and analytical skills through real-world applications and abstract thinking, in alignment with the Ontario Curriculum.
CHY4U – Grade 12 World History since the Fifteenth Century
CHY4U is a university-preparation course that examines global historical developments from the 15th century to the present. Students explore political, social, economic, and cultural changes, analyze multiple perspectives, and develop critical thinking and historical inquiry skills, in alignment with the Ontario Curriculum.
CPW4U – Grade 12 Canadian and International Politics
CPW4U is a university-preparation course that explores political systems, institutions, and issues in Canada and around the world. Students analyze government policies, civic engagement, and global political trends while developing critical thinking, research, and informed decision-making skills, in alignment with the Ontario Curriculum.
HFA4U – Grade 12 Nutrition and Health
HFA4U is a university-preparation course that explores principles of nutrition, healthy lifestyles, and wellness. Students examine diet, exercise, food choices, and personal and societal factors affecting health while developing critical thinking, research, and decision-making skills in alignment with the Ontario Curriculum.
MDM4U – Grade 12 Mathematics of Data Management
MDM4U is a university-preparation mathematics course that focuses on organizing, analyzing, and interpreting data. Students explore probability, statistics, and combinatorics while developing problem-solving, reasoning, and data management skills through real-world applications, in alignment with the Ontario Curriculum.
OLC4O – Grade 12 Ontario Secondary School Literacy
OLC4O develops students’ reading, writing, and critical thinking skills through diverse texts and practical activities, preparing them for success in secondary school and beyond, in alignment with the Ontario Curriculum. The course also emphasizes independent learning and the ability to analyze, evaluate, and communicate ideas effectively in various contexts.
BAT4M – Grade 12 Financial Accounting Principles
BAT4M is a Grade 12 university/college preparation course that introduces students to the principles of financial accounting for corporate and personal applications. Students learn to record, analyze, and interpret financial information, prepare financial statements, and make informed financial decisions. The course develops problem-solving, analytical, and decision-making skills in alignment with the Ontario Curriculum.
CGW4U – Grade 12 Canadian and World Issues
CGW4U is a university-preparation course that examines contemporary social, political, and economic issues in Canada and around the world. Students analyze global events, policies, and perspectives while developing critical thinking, research, and communication skills. The course encourages informed citizenship and understanding of Canada’s role in a global context, in alignment with the Ontario Curriculum.
ICS4U – Grade 12 Computer Science
ICS4U is a university-preparation course that develops advanced skills in computer programming, algorithms, and software design. Students design, write, and test programs while exploring data structures, problem-solving strategies, and computational thinking. The course prepares students for postsecondary studies in computer science and related fields, in alignment with the Ontario Curriculum.
CLN4U – Grade 12 Canadian and International Law
CLN4U is a university-preparation course that explores legal principles, systems, and issues in Canada and around the world. Students examine constitutional, criminal, and civil law, as well as international law and human rights, while developing critical thinking, research, and analytical skills. The course prepares students to understand legal frameworks, evaluate contemporary legal issues, and engage as informed citizens, in alignment with the Ontario Curriculum.
HHS4U - Grade 12 Families in Canada
This course explores the development of individuals and family relationships using sociological, psychological, and anthropological perspectives. Students examine family dynamics, parenting, and the impact of social, cultural, and economic factors on families in Canada. The course develops critical thinking, research, and communication skills and prepares students for further studies in social sciences and related fields.
MCV4U Grade 12 Calculus and Vectors Online Course
The Grade 12 Calculus and Vectors (MCV4U) course provides students with a comprehensive introduction to the fundamental concepts of calculus and vector mathematics. This university preparation course is designed for students planning to pursue studies in mathematics, engineering, computer science, business, economics, physics, and other STEM-related fields. Throughout the course, students will develop a deeper understanding of rates of change, derivatives, curve sketching, optimization, motion, and vector operations in two and three dimensions. Students will learn to apply mathematical reasoning and problem-solving skills to analyze real-world situations and model complex relationships using calculus and vectors.
Ready to Complete Your OSSD and Unlock Your Future?
Take the final step toward graduation with Ontario International School's Grade 12 online courses. Earn the credits you need to complete your Ontario Secondary School Diploma (OSSD) through flexible, Ministry-inspected online learning designed for university, college, and career success.
Start your registration today and join students across Ontario and around the world preparing for a brighter future through OIS.
Start RegistrationBook a Free ConsultationLast updated: September 04, 2026