The Karter School of Thornton is a private primary school and preschool offering a complete, Montessori-inspired educational day program and childcare in Thornton, CO. Here, students of all kinds gain access to skills that will support a lifetime of success. Learn what makes our program one of the best primary schools for young, curious, and developing minds.
4155 E 128th Ave, Thornton, CO 80241
(720) 446-0177







Discover a day-to-day curriculum meant to foster social skills, inspire curiosity, and ensure a better future. Here, we use Montessori teachings to help young ones devise the foundation that will carry them through kindergarten readiness and beyond.
Here are the programs you’ll find at our award-winning preschool in Thornton, CO:

At Karter Schools, we take pride in offering a Montessori-inspired classroom experience that seamlessly integrates the principles of Maria Montessori’s renowned educational philosophy with cutting-edge 21st-century STEAM (Science, Technology, Engineering, Arts, and Mathematics) curriculum.
Our commitment to hands-on Montessori materials empowers students to explore and learn through tactile experiences, fostering a deep understanding of foundational concepts. By merging these time-tested methods with a forward-looking STEAM approach, we prepare our students for a dynamic future where creativity, critical thinking, and problem-solving skills are paramount. At Karter Schools, we believe in nurturing well-rounded individuals who are not only academically proficient but also equipped to excel in our ever-evolving world.
At Karter Schools, we believe in providing an enriching educational experience for our private preschool students. Our campus offers a wide range of enrichment programs designed to ignite a passion for learning and personal growth. At our preschool in Thornton, students receive weekly Music, Foreign Language, Art, Science/Robotics, Culinary, and Sports classes, enriching their educational journey in diverse ways.
These programs not only foster creativity, cultural awareness, and physical well-being but also instill a lifelong love for exploration and discovery. We are committed to nurturing well-rounded individuals who are equipped with a wellspring of knowledge, skills, and experiences to thrive in an ever-changing world.

Karter School of Thornton offers a robust selection of enriching options for every kind of child. Discover some of the social-emotional learning and STEAM benefits offered by our community:










As a learning center designed for diverse and broad development, students at Karter School of Thornton enjoy opportunities that allow them to follow their curiosity and learn new skills in kind. Discover why ours is one of the most celebrated private schools in Thornton, CO, when you book a tour today.

Kid Friendly Cuisine
At our private preschool in Thornton, we deliver the right food at the right time. Our kid-friendly culinary program is designed to boost energy and optimize your child’s learning during a crucial period of development.
Rest assured that your little one is eating well throughout the day.
By Subject Matter Experts
At Karter School of Thornton, we’re proud of the quality and passion of our staff and what they bring to our young learners. Our educators hold a Bachelor’s or Master’s degree in the subject they teach. All instructors are full-time Karter Schools instructors.
Our specialized immersive programs include:
Karter Schools provides families with something that goes far beyond childcare for Thornton, CO, families. We provide young learners with the foundation they need to develop and pursue lifelong passions. Watch your child’s future begin at Karter School of Thornton.
*Enrichment classes vary from location to location

Check out the Calendar to Book a Time to Visit Us

Malissa Peterson is an accomplished professional with over 19 years of experience n Early Childhood Education and Childcare. Her expertise lies in organization, curriculum planning, licensing regulations, and managing multiple childcare centers.
As the Executive Director of Preschool and School-age Program in the area, Malissa leads educational programs, manages staff, and ensures a safe, developmentally appropriate environment for children.
Malissa’s passion for education and childcare extends to her role at Karter Schools of Thornton, where she brings her unwavering commitment to fostering an exceptional educational experience for Colorado families. Her energetic, results-driven approach and her ability to navigate cross-functional environments make her a valuable asset to the organization.

Ms. Cathyann has been a resident of Colorado for more than three decades. She takes pleasure in engaging with new individuals and exchanging ideas. With a rich background in the Child Care industry spanning 17 years,
Ms. Cathyann has provided care and guidance to children ranging from 6 weeks to 12 years old. Her professional journey includes obtaining a Montessori certificate from North America Montessori Academy and a Director certificate for large centers from Front Range Community College.
Having successfully served as the Assistant Director in other programs. In addition to her professional accomplishments, she is a proud mother of two daughters and the delighted grandmother of two wonderful grandchildren, aged 6 and 4.






