Grammar
Latin (Henle Fourth Year)
Students finish the Henle sequence with Fourth Year Latin, reading Cicero and Virgil in the original — including passages of the Aeneid — with the shared Henle Grammar reference.
Challenge IV
High School · Grades 9–12
Curriculum by strand
Exposition & Composition
Ancient Literature
A capstone year reading the founding works of Western literature — Hesiod, Homer, Virgil, and Sophocles — guided by Leithart's Heroes of the City of Man, culminating in the Senior Thesis.
Reading list
Debate
The History of Ideas
Students trace the history of ideas through Daniel Boorstin's The Discoverers, using humanity's long search to know the world as the ground for the year's debate.
Research
Calculus & Physics
Students study the mathematics of change with Mitch Stokes's Calculus for Everyone, with Saxon Physics as an alternative track for those taking a lab-science credit.
Reasoning
Mathematics
Challenge IV sets no required math text — any math program may be used at home.
CC recommends a senior-level Saxon course; any math program may be used at home.
Rhetoric
Bible & Theology
Students read Scripture alongside C.S. Lewis's Mere Christianity and Reasoning Together: Words in the Word, reasoning through the faith as the year's rhetoric work.
