Petra Academy is a Christian school. All of its board members, administrative staff and faculty ascribe to the historic creeds of the Christian faith.
Challenging classes in the Maths, Sciences, Humanities (including language arts, literature, history, and civics), and Arts form the basis of a Petra education.
Petra's classical pedagogy includes, as well, the teaching of Latin (grades 3-9), formal logic (grades 8-9), and rhetoric (grades 11-12).
Consistent with Petra's Christ-centered focus, Bible classes are taught at each level and constitute the integrating center of our curriculum.
Quick Facts (2026)
- Top-Ranked MT School
- Grades: Prekindergarten-12
- Enrollment: 174 students
- Yearly Tuition: $12,500
- Acceptance rate: 100%
- Average class size: 15 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
Petra Academy ranks among the top 20% of private schools in Montana for:
Category
Attribute
Student Body
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-12
Year Founded
1995
School Calendar
Last Day of School
Thu. May 21, 2026
Student Body
Total Students
174 students
Student Body Type
Co-ed
% Students of Color
3%
State avg.: 17%
Students by Grade
Academics and Faculty
Total Classroom Teachers
22 teachers
Student-Teacher Ratio
8:1
National avg.: 13:1
Average Class Size
15 students
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
$12,500
Acceptance Rate
100%
National avg.: 82%
Application URL
Sports
Total Sports Offered
4 sports
School Notes
- Petra Academy is a Christian school. All of its board members, administrative staff and faculty ascribe to the historic creeds of the Christian faith. Challenging classes in the Maths, Sciences, Humanities (including language arts, literature, history, and civics), and Arts form the basis of a Petra education. Petra's classical pedagogy includes, as well, the teaching of Latin (grades 3-9), formal logic (grades 8-9), and rhetoric (grades 11-12). Consistent with Petra's Christ-centered focus, Bible classes are taught at each level and constitute the integrating center of our curriculum.
Source: Verified school update
Frequently Asked Questions
How much does Petra Academy cost?
Petra Academy's tuition is approximately $12,500 for private students.
What schools are Petra Academy often compared to?
Petra Academy is often viewed alongside schools like Heritage Christian School by visitors of our site.
What is the acceptance rate of Petra Academy?
The acceptance rate of Petra Academy is 100%, which is higher than the national average of 87%.
What sports does Petra Academy offer?
Petra Academy offers 4 interscholastic sports: Basketball, Soccer, Ultimate Frisbee and Volleyball.
What is Petra Academy's ranking?
Petra Academy ranks among the top 20% of private schools in Montana for: Largest student body.
When is the application deadline for Petra Academy?
The application deadline for Petra Academy is rolling (applications are reviewed as they are received year-round).
School Reviews
Endorse Petra Academy. Endorsements should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
- Academic or athletic awards
Recent Articles
Financial Aid 101 for Private School Families 2026
Guide to private school financial aid in 2026, with current costs, key planning timelines and practical steps parents need to maximize aid options.
Why Extracurricular Activities Matter in 2026
Discover why extracurricular activities remain essential in 2026, with updated research, costs, and admissions insights for parents and students.
How to Appeal for Financial Aid After Admission
Learn how to appeal for financial aid after admission to a private school, with expert steps, timelines, and 2026 updates for families.


