A classical Christian grammar school for South Phoenix. Sixteen students to a classroom. Latin, Scripture, and the great books — taught to mastery, without apology.
The premise
Christian morality and classical intellect are the two pillars of an arch. The school that binds them is the keystone.
students per classroom. When a room is full, it is full.
out of pocket for qualifying families. Arizona's scholarships cover tuition — we complete the paperwork with you.
is when Latin begins. Every Keystone student reads it.
poems, Psalms, and passages carried in memory by sixth grade.
First day of school
Monday, August 6, 2029 · Grades one and two · Thirty founding students
01
What we teach, how we teach it, and why we will not lower it.
Read the standard →02
We enroll families, not just students. Entry begins a year early — at home, with us.
How admission works →03
The highest standard in Phoenix, at zero out-of-pocket cost. Here is exactly how.
See the numbers →This education is for the child whose family can pay anything — and the child whose family can pay nothing.