Every high school student takes a core set of required classes in English, math, science, and social studies, plus additional electives that round out the schedule. The exact number of credits varies by state and school district, but the overall structure is remarkably consistent: four years of English, three to four years of math, two to four years of science, and two to four years of social studies. On top of that, most schools require physical education, health, and a selection of elective courses you choose based on your interests.
English: Four Years, Every Year
English is the one subject that almost never varies. Virtually every state requires four full credits of English, meaning you’ll take an English or language arts class every year from freshman through senior year. The typical sequence moves from English I through English IV, though course names differ by school. Early years focus on grammar, composition, and foundational literature, while junior and senior year classes tend to emphasize analytical writing, research papers, and more complex literary works. Students aiming for college can often swap senior-year English for AP English Language or AP English Literature.
Math: Three to Four Years
Most states require three credits of math, though a significant number now require four. The standard sequence runs pre-algebra or algebra I in ninth grade, then geometry, algebra II, and an upper-level course like precalculus or statistics. If your school requires only three years, you could technically stop after algebra II, but college-bound students benefit from taking math all four years. Skipping a year makes it harder to pick back up, and admissions offices at selective colleges expect to see continuous math coursework.
Students who are strong in math can accelerate into AP Calculus or AP Statistics by senior year. Those who need more support might take an introductory course before algebra I, which can shift the sequence back by a year.
Science: Two to Four Years
Science requirements have the widest range. Some states require just two credits, while others require four. Three credits is the most common threshold. A typical path starts with biology freshman year, moves to chemistry sophomore year, and adds a third course like physics, earth science, or environmental science. Schools usually specify that at least some of these must be laboratory science courses, meaning they include hands-on lab work rather than lecture-only instruction.
If you’re planning to apply to competitive colleges, aim for three to four years of lab science covering biology, chemistry, and physics. Many universities list this combination as a recommendation or requirement for admission.
Social Studies: Two to Four Years
Social studies requirements generally fall between two and a half and four credits. The sequence commonly includes U.S. history, world history or geography, government, and economics. Some states fold economics into the government course as a semester-long pairing, while others treat them as separate full-year classes. A handful of states have recently added or strengthened personal finance requirements, either as a standalone course or embedded within economics.
Physical Education and Health
Nearly all states require some combination of physical education and health education, though the amount varies widely. Some require PE every year, while others require just one or two semesters total. Health class, typically a single semester, covers topics like nutrition, substance abuse prevention, mental health basics, and first aid. In many schools, health and PE share a combined credit.
Foreign Language
Foreign language is where graduation requirements and college expectations diverge sharply. Many states do not require any foreign language credits to earn a diploma. However, most four-year colleges expect at least two years of the same language, and more selective schools prefer three or four years. Common options include Spanish, French, German, Mandarin, American Sign Language, and Latin, depending on what your school offers. If college is in your plans, treat foreign language as a required class even if your state technically doesn’t mandate it.
Electives and Career Pathways
After core requirements are met, the remaining slots in your schedule are filled with electives. These vary enormously from school to school, but they generally fall into a few broad categories.
Fine and performing arts: Many schools require at least one credit in the arts. Options include visual art, band, orchestra, choir, theater, dance, digital media, and photography. Even where it’s not required, an arts credit strengthens a college application by showing range.
Career and Technical Education (CTE): These are structured course sequences built around a specific career field. Common CTE pathways include business management, engineering and technology, culinary arts, cybersecurity, programming, health sciences, education, and digital design. Students typically take two to three courses within a pathway to earn a concentration or endorsement on their transcript. CTE classes are practical and often include industry certifications, internships, or capstone projects.
AP and honors courses: Advanced Placement classes let you study college-level material and potentially earn college credit by scoring well on the AP exam. Popular AP electives include AP Psychology, AP Computer Science, AP Art History, and AP Environmental Science, in addition to AP versions of core subjects. Honors-level classes offer a step up in rigor without the standardized exam at the end.
Other electives: Depending on your school, you might also choose from journalism, creative writing, speech and debate, personal finance, computer science, ROTC, yearbook, or independent study. Some schools offer dual enrollment courses taught in partnership with a local community college, letting you earn both high school and college credit simultaneously.
Total Credits Needed to Graduate
Most states set total graduation requirements somewhere between 20 and 26 credits, with one credit representing a full-year course and a half credit representing a single semester. A student taking six or seven classes per year over four years will accumulate 24 to 28 credits, leaving room for several electives beyond the core requirements. A few states leave credit requirements entirely up to local school districts, so the total can vary even within the same state.
A rough breakdown for a typical 24-credit diploma looks like this:
- English: 4 credits
- Math: 3 to 4 credits
- Science: 3 credits
- Social studies: 3 credits
- PE/Health: 1 to 2 credits
- Electives (including arts, CTE, foreign language): 8 to 10 credits
What College-Bound Students Should Add
If you’re planning to attend a four-year college, your course load should go beyond minimum graduation requirements. The National Association for College Admission Counseling recommends four years of English, four years of math, three to four years of lab science, three to four years of social studies, and at least two years of the same foreign language. Selective universities often want to see you pushing into advanced coursework, so replacing a standard senior-year class with an AP or dual enrollment option signals readiness for college-level work.
Your transcript matters more than your diploma. Admissions officers look at which courses you chose, not just whether you graduated. Taking the most rigorous schedule your school offers, without overloading yourself to the point of burnout, is the strategy that serves most applicants best.