Saint John's Preparatory School Photo #8 - 100% of our students are accepted to university (that choose to apply)

Saint John's Preparatory School

Quick Facts (2026)

  • Grades: (Boarding Students) 9-12, PG
  • Grades: (Day Students) 6-12, PG
  • Enrollment: 280 students
  • Yearly Tuition (Boarding Students): $46,235
  • Yearly Tuition (Day Students): $19,075
  • Acceptance rate: 88%
  • Average class size: 18 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

Top Rankings

Saint John's Preparatory School ranks among the top 20 boarding schools (out of 307 schools) for:

Category
Attribute
Affordability
School Resources
Selectivity

School Overview

Definition of Terms | 2025 School Data
Saint John's Preparatory School
Boarding School Avg.
School Focus
College Preparatory
Grades Offered (Boarding)
9-12, PG
9-12
Grades Offered (Day)
6-12, PG
Pre-K-12
School Type
Co-ed
Co-ed
ADD/ADHD Support
Yes
Supports Learning Differences (LD)
Yes
Religious Affiliation
Non-denominational
Year Founded
1857
1909
Campus Size
2900 acres
125 acres
Colors
Blue, Cardinal, Carolina blue

Student Body

Enrollment
280 students
300 students
% Students of Color
28%
25%
% International Students
25%
20%
% Students Boarding
30%
70%
Average SAT Score
1373
(Out of 1600)
* National Avg. »View
Average ACT score
28
(Out of 36)
*National Avg. »View
Offers Post-Grad Year
Yes
No

Academics and Faculty

Saturday Classes
No
No
Classroom Dress Code
Casual
Average Class Size
18 students
12
* National Avg. »18
Student-Teacher Ratio
11:1
7:1
# of AP / Advanced Courses Offered
12
17
ESL Courses Offered
Yes
% Faculty with Advanced Degree
81%
70%
Summer Program Offered
No
Yes

Tuition Cost

Endowment Size
$13 million
$25 million
Yearly Tuition
(Boarding Students)
$46,235
$59,900
Yearly Tuition
(Day Students)
$19,075
$33,500
Tuition international students
$57,260
$53,975
Yearly Tuition
(5 Day Boarding)
$38,675
$44,000
% Students on Financial Aid
62%
40%
Avg. Financial Aid Grant
$10,500
$25,000
Merit Scholarships Offered
No

Admissions

Application Deadline
None / Rolling
Jan. 15
Acceptance Rate
88%
58%
Director of Admissions
Laura Hartog
Associate Director of Admissions
Molly McAlister
Application URL

College Matriculation

10 Most Popular College Choices  (# Enrolled)

School Notes

  • Saint John`s Prep has 280 total students in grades 6-12, and boarding students are grades 9-12. 
  • We have students represented from 14 countries, and 30% of our students live on campus in our newly renovated Saint Michael residence hall.
  • We are located on 2900 acres of woods and lakes in Collegeville, MN on the campus of Saint John`s University. Our students can take college courses, use the facilities including the dining services and the library, and are immersed in the college environment to help prepare them.
  • Saint John`s Prep uses a curriculum called Aspire to Excellence which allows students to earn merits in 7 different disciplines which can lead to earning distinctions and graduating with Honors. We have a 100% college acceptance rate.
  • Saint John's Prep offers many robust extra-curricular activity options including atheletics, fine and performing arts, and academic clubs. 
  • We have a 11:1 student to teacher ratio, and a 93:1 student to counselor ratio.
  • Saint John's Preparatory School accreditations: Independent Schools Association of the Central States (ISACS)
Source: Verified school update

Frequently Asked Questions

How much does Saint John's Preparatory School cost?
Saint John's Preparatory School's tuition is approximately $46,235 for boarding students and $19,075 for day students.
What is the acceptance rate of Saint John's Preparatory School?
The acceptance rate of Saint John's Preparatory School is 88%, which is higher than the boarding school average of 58%. Saint John's Preparatory School's acceptance rate is ranked as one of the top boarding schools with low acceptance rates.
What is Saint John's Preparatory School's ranking?
Saint John's Preparatory School ranks among the top 20 boarding schools for Least expensive tuition, Large financial endowment and Low acceptance rates.
When is the application deadline for Saint John's Preparatory School?
The application deadline for Saint John's Preparatory School is rolling (applications are reviewed as they are received year-round).
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