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Top 20 Best Colorado Nonsectarian Private Elementary Schools (2025)

For the 2025 school year, there are 84 nonsectarian private elementary schools in Colorado. You can also find more religiously affiliated schools in Colorado.

The nonsectarian private elementary schools in Colorado include Kent Denver School, Colorado Academy, and Dawson School.

Dawson School Photo - Dawson School sits on a beautiful 107-acre campus, serving families from Boulder, Longmont, Broomfield, Erie, Lafayette, Louisville, and the surrounding area

Humanex Academy Photo - Humanex Academy motto

Colorado Academy Photo - Every day on campus, CA's lives the mission to create curious, kind, courageous, and adventurous learners and leaders. Our dedicated teachers offer an innovative and rigorous curriculum rooted in the liberal arts and sciences. We do it with innovation and creativity and by encouraging students to think outside the box. We want students to ask "why?" and "why not?".

The Mcclelland School Photo - The McClelland School's 4th graders are completing hands on experiments with force and motion. This is one of the many hands-on experiments the students learn about during the school year. Our students are able to engage in hands on activities throughout the year that compliment what they are learning in the classroom.

Rivendell School Of Northern Colorado Photo

Ricks Center for Gifted Children Photo - Ricks Center students visit the DU Engineering Lab

The Colorado Springs School Photo - CSS graduates are prepared to succeed in college and in life. The Class of 2023 earned $3.7 million in Merit Scholarships and Awards, with 100% matriculating to colleges throughout the nation and around the world.

Mountain Shadows International Montessori Photo - This is a picture of the performing arts center and gymnasium; used for PE class, plays, parent Educations nights and more!

Havern School Photo - We have occupational therapists and speech-language pathologists on staff. Therapies are integrated into our curriculum and additional support is available for students with greater needs.

Temple Grandin School Photo - TGS Learning Community 2018

Aspen Academy Photo - What happens when 7th and 8th graders are given a chance to own and operate small businesses on campus? Aspen Academy Middle schoolers learn how to operate, market and finance fully functioning businesses on campus as part of our one-of-a-kind LiFE (Leadership, Finance and Entrepreneurship) curriculum. Students learn to lifelong skills from financial acumen to collaboration.

Accelerated Schools Photo - Winter snowboarding trips (for students who qualify academically)

Montessori School Of Denver Photo - Montessori School of Denver's Arts and Athletics Center

Boulder Valley Waldorf School Photo - Students enjoying the playground during free play time.

Mackintosh Academy Littleton Photo - Mackintosh Academy - Where Bright Minds Belong!

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