The subjects used to describe resources on Open Space are designed to cover Pre-K-12 settings within Ohio. Our subjects are organizing into first-order subjects and secondary topics within those subjects. When describing or searching for content on Open Space keep in mind that content can be categorized by multiple subjects and topics.
| 21st Century Skills | Accountability |
| Creativity and Innovation | |
| Critical Thinking | |
| Information, Media and Technological Literacy | |
| Interdisciplinary, Project-based, and Real-World Learning | |
| Leadership and Responsibility | |
| Life Skills | |
| Personal Management | |
| Problem-Solving and Communication | |
| Productivity | |
| Arts | Architecture and Design |
| Dance | |
| Drama and Theatre | |
| Film | |
| Music | |
| Visual Arts | |
| Business and Communication | Accounting |
| Business | |
| Communication | |
| Finance | |
| Management | |
| Marketing | |
| Public Relations | |
| Career & Technical Education | Agricultural and Environmental Systems |
| Arts and Communication | |
| Business and Administrative Services | |
| Construction Technologies | |
| Education and Training | |
| Engineering and Science Technologies | |
| Family and Consumer Sciences | |
| Finance | |
| Government and Public Administration | |
| Health Science | |
| Hospitality and Tourism | |
| Human Services | |
| Information Technology | |
| Law and Public Safety | |
| Manufacturing | |
| Marketing | |
| Transportation Systems | |
| Computer Science | |
| Current Events | |
| English Language Arts | Composition and Rhetoric |
| Journalism | |
| Language, Grammar, and Vocabulary | |
| Linguistics | |
| Literature | |
| Reading for Literacy in History/Social Studies | |
| Reading for Literacy in Science and Technical Subjects | |
| Reading Foundation Skills | |
| Reading Informational Text | |
| Reading Literature | |
| Speaking and Listening | |
| Writing | |
| Writing for Literacy in History/Social Studies, Science, and Technical Subjects | |
| English Learners | English Language Proficiency |
| Language Education (ESL) | |
| Financial Literacy | |
| Health & Physical Education | Drug Abuse Prevention |
| Health | |
| Healthy Relationships | |
| Nutrition | |
| Physical Fitness and Sports | |
| Safety | |
| Mathematics | Algebra |
| Calculus | |
| Counting and Cardinality | |
| Expressions and Equations | |
| Functions | |
| Geometry | |
| Measurement and Data | |
| Modeling | |
| Number and Operations in Base Ten | |
| Number and Operations—Fractions | |
| Number and Quantity | |
| Number System | |
| Operations and Algebraic Thinking | |
| Ratios and Proportions | |
| Statistics and Probability | |
| Trigonometry | |
| Philosophy & Religion | Philosophy |
| Religious Studies | |
| Practitioner Support | Classroom Environment |
| Early Childhood Development | |
| Educational Technology | |
| Elementary Education | |
| Gifted Education | |
| Guidance and Counseling | |
| Higher Education | |
| Leadership | |
| Special Education | |
| Science | Earth and Space Science |
| Life Science | |
| Physical Science | |
| Agriculture | |
| Biology | |
| Chemistry | |
| Engineering | |
| Environmental Science | |
| Human Anatomy and Physiology | |
| Physical Geology | |
| Physics | |
| Social Emotional Learning | Approaches Toward Learning |
| Physical Well Being | |
| Social Emotional Development | |
| Social Studies | American Government |
| American History | |
| Contemporary World Issues | |
| Economics | |
| Economics and Financial Literacy | |
| Geography | |
| Government | |
| History | |
| Law | |
| Modern World History | |
| Ohio in the United States | |
| Psychology | |
| Sociology | |
| World Geography | |
| Technology | Design and Technology |
| Digital Citizenship | |
| Information and Communications Technology | |
| Society and Technology | |
| World Language | American Sign Language |
| Arabic | |
| Chinese | |
| French | |
| German | |
| Italian | |
| Latin | |
| Spanish | |
| World Cultures |