Mathematics
- Algebra I →Suggested: Grades 9–10
- Geometry →Suggested: Grades 9–11
- Algebra II →Suggested: Grades 10–12
- Precalculus and Trigonometry →Suggested: Grades 11–12
- Statistics and Probability →Suggested: Grades 10–12
High School Curriculum Explorer · Grades 9–12
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See what a course builds on, follow a suggested unit path and practice a useful skill. For students, families, homeschoolers, tutors and teachers.
138 original mini-lessons with video choices23 courses9 subject areas
Suggested pathways · Selected standards contributions · No calculus
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Each course has six lessons in three suggested units. Grade ranges guide placement; they are not universal requirements.
English language arts
- English 9 →Suggested: Grade 9
- English 10 →Suggested: Grade 10
- English 11 →Suggested: Grade 11
- English 12 →Suggested: Grade 12
Science
- Biology →Suggested: Grades 9–10
- Chemistry →Suggested: Grades 10–11
- Physics — Algebra and Trigonometry →Suggested: Grades 11–12
- Earth and Environmental Science →Suggested: Grades 9–12
Social studies
- World History →Suggested: Grades 9–10
- United States History →Suggested: Grades 10–11
- Civics and Government →Suggested: Grades 11–12
- Economics and Personal Finance →Suggested: Grades 11–12
Visual arts
- Visual Arts →Suggested: Grades 9–12
Music
- Music →Suggested: Grades 9–12
Health and physical education
- Health and Physical Education →Suggested: Grades 9–12
Computer science and digital literacy
- Computer Science and Digital Literacy →Suggested: Grades 9–12
World languages
- Spanish I →Suggested: Grades 9–12
- Spanish II →Suggested: Grades 10–12
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2 matching lessons
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English 11
Suggested grade 11 · Unit 3: Advanced Composition
Braid Two Narrative Perspectives
Alternate two viewpoints while preserving their different knowledge.
▷ 2 teacher video choices: Braid Two Narrative PerspectivesPreview lesson: Braid Two Narrative Perspectives
Goal: Write a coherent short scene with two narrative lines, a meaningful transition and a final reflection.
Before this: Sustain a limited point of view; use dialogue and transitions intentionally.
Try together: Together identify a sentence that would violate Leo’s limited knowledge before 3:15: “He knew Inez’s new map was under the folder.” Explain the problem.
Subject-content contributionW.11-12.3.bGrades 11–12
35 minutes
English 11
Suggested grade 11 · Unit 3: Advanced Composition
Vary Syntax to Control Emphasis
Compare sentence forms as meaning choices rather than decoration.
▷ 2 teacher video choices: Vary Syntax to Control EmphasisPreview lesson: Vary Syntax to Control Emphasis
Goal: Revise a passage into two syntactic versions and explain how clause placement changes emphasis.
Before this: Recognize independent and dependent clauses; preserve meaning during revision.
Try together: Compare although with because in the model. Explain why replacing one with the other changes the claimed relationship.
Subject-content contributionL.11-12.3.aGrades 11–12
Earlier high school starter lessons with teacher video choices →