Most people take a dedicated high school chemistry course in their sophomore (10th grade) or junior (11th grade) year, though younger students get foundational concepts in middle school, and advanced students might take it in 9th grade, with some even starting in early high school (Year 10 in Australia). The exact timing depends on the school's curriculum, but 10th or 11th grade is typical for the first formal, in-depth chemistry class in the U.S. and similar systems.
High school course progression can vary depending on your school's curriculum and your personal interests. However, in general, chemistry is typically taken during sophomore or junior year of high school.
Is year 11 Chemistry hard? Year 11 chemistry is definitely challenging, but it is well worth the effort! If you're curious why Kevlar is bullet-proof, or why nitro-glycerine is explosive, this is all built on Chemistry.
Many chemists believe chemistry became a proper science in the eighteenth century. The investigation of air by Antoine Lavoisier (France), the discovery of oxygen by Joseph Priestly (England), and the new scientific language of chemistry, all played a part.
A Learner Guide for Grade 10 Physical Sciences with Learner Activities for Prescribed (formal assessment), Recommended (non-formal assessment) and selected other Practical Activities for Chemistry.
Comparative Difficulty – Among Grade 12 science courses, chemistry is often ranked as one of the most challenging because it blends theory, math and experimentation.
High school chemistry most commonly is offered during the 11th grade as Chemistry 11.
Many students find chemistry challenging due to its demanding academic structure and the advanced skills required to succeed. The complexity of subject matter combined with workload and high expectations creates a rigorous environment that tests both intellectual and practical abilities.
Physics is one of the oldest academic disciplines. Over much of the past two millennia, physics, chemistry, biology, and certain branches of mathematics were a part of natural philosophy, but during the Scientific Revolution in the 17th century, these natural sciences branched into separate research endeavors.
What makes chemistry even more important is the fact that it will shape everything that happens in the future regarding technology, life, and maybe even the fate of humanity. It forms such an important part of our lives today and has since the start of life itself, and that is why chemistry is so important.
Top 10 Toughest Courses in the World in 2026
Chemistry a-level is extremely hard compared to other subjects, with only 13.6% achieving an A* in 2022 and 24.4% getting an A. Many students struggle with chemistry in school and wonder if they have what it takes to handle the rigours of an A-Level chemistry course.
1. Advanced Placement (AP) Courses: These are often challenging due to their college-level material. Among these, AP Calculus BC, AP Physics C, AP Chemistry, and AP Biology are often deemed as some of the most difficult due to the extensive content and high-level problem-solving required.
Likely the easiest science class in college, earth science courses are usually designed to give non-science majors a broad survey of Earth's natural processes. In this class, you'll learn about plate tectonics, earthquakes, volcanoes, the atmosphere, and our oceans.
Chemistry is simultaneously one of the most loved and most hated subjects in year 12. The exams are deceptive and volatile, with questions and concepts switching from easy to incredibly difficult seemingly on a whim.
Einstein was one of the most creative intellects in human history. Though regarded primarily as a physicist (he received the 1921 Nobel Prize in Physics) his researches had important implications for chemistry.
Musk says physics teaches you to think from first principles. Huang even said that if he were a student today, he wouldn't study computer science, he'd study physical sciences, because the next wave of AI will be about mastering the real world, not just writing code.
Psychology
A bachelor's in psychology ranks among the easiest majors. You can develop skills that apply to varying careers in counseling or marketing. As you complete your undergraduate psychology degree, you'll take classes such as human development, psychology theories, and research in the psychology field.
Our graduates are working in a range of interesting positions such as:
The most difficult majors require extensive study time, more STEM courses, and a solid foundation in math. Chemistry, engineering, and physics are generally considered some of the hardest college majors available to undergraduates.
In a more formal sense, chemistry is traditionally divided into five major subdisciplines: organic chemistry, biochemistry, inorganic chemistry, analytical chemistry, and physical chemistry.
You typically start studying chemistry in 10th grade as part of your science curriculum.
10th Grade: AP Biology or AP Chemistry. 11th Grade: AP Chemistry or AP Physics or AP Biology. 12th Grade: AP Physics or AP Chemistry or AP Biology.