The 9-12 American curriculum is typically based on the standards set by the Common Core State Standards Initiative (for English language arts and mathematics) and the Next Generation Science Standards (for science). Here’s an overview of what students might study in each subject:

English Language Arts: This subject focuses on developing strong reading, writing, speaking, and listening skills. Students analyze various forms of literature, practice critical thinking and analysis, and work on improving their writing through essays, research papers, and creative projects.

Mathematics: The math curriculum typically advances from algebra, geometry, and basic statistics to more advanced topics like calculus, trigonometry, and discrete mathematics. The curriculum aims to develop problem-solving and logical reasoning skills.

Science: Science education covers disciplines such as biology, chemistry, physics, and earth science. Students engage in hands-on experiments, learn about scientific concepts, and develop an understanding of the scientific method.

Social Studies: The social studies curriculum often includes subjects like U.S. history, world history, civics, and geography. Students study historical events, cultural aspects, political systems, and societal issues.

Foreign Language: Many American high schools require or offer foreign language courses, such as Spanish, French, German, or Mandarin. These courses aim to develop language proficiency and cultural awareness.

Physical Education: Physical education classes focus on promoting a healthy lifestyle through physical activities, sports, and fitness exercises.

Electives: High schools typically offer a range of elective courses that allow students to explore their interests in subjects like art, music, computer science, psychology, and more.

Advanced Placement (AP) Courses: Many high schools also offer AP courses, which are college-level courses that can earn students college credit if they score well on the corresponding AP exams.