Parents in Sioux Falls, South Dakota are searching for private, alternative school options to best support their children's growth.
From our Montessori-based Kinder Program to Middle School Apprenticeships, Acton Academy is reimagining 21st-century education.
Quick Facts (2025-26)
- School Type: Montessori School
- Grades: Prekindergarten-12
- Enrollment: 34 students
- Yearly Tuition: $7,700
- Acceptance rate: 90%
- Average class size: 10 students
- Application Deadline: None / Rolling
- Source: Verified school update
School Overview
School Type
Religious Affiliation
Grades Offered
Grades Prekindergarten-12
Year Founded
2021
School Calendar
Last Day of School
Fri. Jun 26, 2026
Campus Size
1 acre
Student Body
Total Students
34 students
Student Body Type
Co-ed
Students by Grade

Academics and Faculty
Total Classroom Teachers
4 teachers
Student-Teacher Ratio
9:1
National avg.: 13:1
Average Class Size
10 students
Classroom Dress Code
Casual
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
Tuition Notes
$700 per month for 11 months
Acceptance Rate
90%
National avg.: 81%
Admissions Director
Aaron Johnson
Admissions Associate
Hannah Carter
Application URL
School Notes
- School Motto: Every child can change the world
- More than ever, parents in Sioux Falls, South Dakota are searching for better educational options that meet their children's individual needs. At Acton Academy Sioux Falls, we offer an innovative, private school experience-from our Montessori-inspired Spark Studio for young learners to real-world Apprenticeships for middle school students.We move beyond the traditional model of education-no lectures, no homework packets, no grades. Instead, we embrace a self-paced, mastery-based approach where learners are empowered to take ownership of their goals and growth. Our students work in multi-age studios and pursue hands-on projects that develop their creativity, collaboration, and problem-solving skills.Whether it's coding a robot, starting a business, painting a mural, or navigating a Socratic discussion, our students are actively learning and growing every day. Our Guides lead with thoughtful questions, not answers, fostering a love for critical thinking and meaningful dialogue.We believe that school should be joyful, purposeful, and personal. Every child is a genius, with unique gifts meant to change the world. That's why our environment is designed to support both academic excellence and strong character development. At Acton Sioux Falls, we focus on developing whole, healthy humans who are kind, resilient, and mission-driven.In a world that's changing fast, we're preparing learners for a life of meaning, impact, and freedom-not just college or test scores. Acton Academy Sioux Falls is a school for the 21st-century-a place where your child can truly thrive.
Source: Verified school update
Frequently Asked Questions
How much does Acton Academy Sioux Falls cost?
Acton Academy Sioux Falls's tuition is approximately $7,700 for private students.
What is the acceptance rate of Acton Academy Sioux Falls?
The acceptance rate of Acton Academy Sioux Falls is 90%, which is higher than the national average of 77%.
When is the application deadline for Acton Academy Sioux Falls?
The application deadline for Acton Academy Sioux Falls is rolling (applications are reviewed as they are received year-round).
School Reviews
Endorse Acton Academy Sioux Falls. 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

When a Student Is Expelled for Marijuana: What Parents Should Know
Expert guidance for parents navigating a child’s expulsion for marijuana in 2025—policy, strategy, rights, and recovery steps.

Private School Alumni in Community College: Stories & Lessons
Insights from private school alumni who attend community college—lessons, challenges, and strategies for success.

Community College Cost vs Private College Cost: What Families Should Compare
Explore community college vs. private college costs in 2025, what families should compare — tuition, aid, net price, value, and ROI.