Grades K-12 · Five days
Full-Time Program
A complete classical curriculum with daily prayer, strong academics, and consistent classroom community.
Full-time detailsOrthodox Christian classical education · Arlington, Washington
Classical.
Orthodox.
Personal.
St. Kosmas Academy forms students in faith, learning, and character through a rigorous classical education rooted in the life of the Orthodox Church.
K-12Full-time school
1-3 daysLower School Extension
FridaysEnrichment community
A school for the whole person
Education is more than information. It is formation.
Students are known, encouraged, and challenged to grow in wisdom, virtue, reverence, diligence, and love of God and neighbor.
One school, several ways to belong
Programs shaped around families
Choose a complete five-day education or add the structure, subjects, and community that best support your homeschool.
Homeschool support
Extension Program
Lower School students attend one to three days. Upper School students may select an in-person AM or PM academic block.
Extension detailsFridays · K-12
Enrichment Program
A welcoming Friday pull-out program for shared learning, friendships, activities, and school community.
Enrichment detailsAM9:00-11:00
Humanities & Greek
A classical humanities block built around enduring texts, history, language, clear thinking, and thoughtful discussion.
PM11:00-1:30
Math & Lab Science
Algebra I or Algebra II, together with Chemistry with Lab—subjects that are difficult to reproduce well at home.
New for grades 9-12
In-person support for the hardest high-school subjects
Homeschool students learn in a private Christian school setting, five days a week, with a small class size capped at ten.
See the Upper School schedule and tuitionThe true, the good, and the beautiful
A classical path toward wisdom
Grammar
Students build a rich foundation in language, number, faith, history, science, music, movement, and the arts.
Logic
Students make connections, ask careful questions, evaluate reasoning, and begin to articulate what they know.
Rhetoric
Students deepen judgment and learn to communicate complex ideas with clarity, confidence, humility, and purpose.
Our patron
St. Kosmas the Aetolian
St. Kosmas was a teacher and missionary who brought learning and the Gospel together. Inspired by his witness, we cultivate a love of truth that shapes how students think, live, and serve.
Read our storyHelp make this education possible
Gifts strengthen the school and help provide tuition assistance to families.
Donate securelyCome and see
Discover whether St. Kosmas Academy is the right place for your family.
Ask questions, arrange a visit, or begin the 2026-2027 enrollment process.