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Welcome to September School, a Leading Private School in Boulder, CO

Being a teenager isn’t an easy thing. Teens are navigating through new experiences, life changes, and frustrations. Maybe your teenager is dealing with interpersonal issues or mental health issues. Whatever they’re dealing with, all teens want to be heard. They want to find a place they can be safe to discover who they are and live authentically. At September School, we’re that place. We’re here to provide a learning environment where teenagers of all kinds can flourish and learn in a way that’s right for them.

September School is a private high school in Boulder, CO, leading the way in relationship-based education. We are here for you, and above all else, we’re here for your kids.

Alternative High School Boulder CO

Finding Our Way – Together

Let’s face it, life is difficult, and everyone is just trying to find their way. At September School, we focus on social and emotional learning as highly as academic growth. This approach, based on collaboration, support, teamwork, honesty, and skill development, empowers teens to embrace who they are, how they learn, and how to treat others.

Is it hard? You bet it is. Is it enriching? Without a doubt.

For more than 44 years, September School has served as Boulder’s longest running independent, private high school. Our experienced, genuine, and caring faculty and staff work together to transform the lives of our community’s teens. In turn, our students have the opportunity to embrace responsibility by building relationships with others and with themselves.

Growing and Learning Together

At September School, we focus on social and emotional learning just as much as academic growth. Based on collaboration, support, teamwork, honesty, and skill development, this approach empowers teens to embrace who they are and how they learn. They’ll work with us and with their peers collaboratively, engaging with others respectfully and compassionately.

Is this a hard task? It can be. But we know all kids are worth it, and no one needs to be left behind by the education system. That’s why we’re here: to embrace diversity in all types of kids with all types of learning styles. We’re here to be the support system you need.

For more than 44 years, September School has served as Boulder’s longest running, independent private high school. Our experienced, genuine, and caring faculty and staff work together to transform the lives of our community’s teens. In turn, our students have the opportunity to grow by building relationships with others and with themselves.

“My kid finally comes home happy.”
–A satisfied parent
“My kid finally comes home happy.” –A satisfied parent

Choosing a Private High School for Your Teen

If you’ve found September School, you’re probably looking for alternative approaches for your teen. Private schools in Colorado come with a range of philosophies and differing degrees of success. September School is not a school of last resort; it is a genuine opportunity for teens to feel comfortable in their learning environment. We’re a place that values and nurtures diversity, honesty, and personal responsibility.

As a leading private high school in relationship-based education, September School offers a progressive and supportive community where students are invited to learn and achieve. Our curriculum covers core academic subjects for grades 9-12, coupled with a core focus on cultivating emerging individual talents and interests. When you’re choosing from private schools in Colorado, consider how relationship-based education at September School in Boulder can open up a world of opportunities for your child.

Students thrive through collaborative practice, critical thinking, real-world exploration, and skill development. Our philosophy focuses on restorative justice, conflict resolution, and personal accountability. We provide a community that is inclusive for those with different learning styles and learning disabilities, and we welcome straight, LGBTQ, and trans students of all races. We offer support for teens dealing with substance abuse and mental health issues including anxiety, depression, and ADHD.

Moving Forward with Private School

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Not Your Typical School

If you’ve found September School, chances are you need a different approach for your teen. Private schools in Colorado come with a range of philosophies and differing degrees of success. September School is not a school of last resort; it is a genuine opportunity for teens to feel comfortable in diversity, honesty, and personal responsibility.

Private School Cost in Boulder CO

Relationship-Based Ed

As a leading private high school in relationship-based education, September School offers a progressive and supportive community where students are invited to learn and achieve. Our curriculum covers core academic subjects for grades 9-12, coupled with a core focus on cultivating emerging individual talents and interests.

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Young People Thrive

Students thrive through collaborative practice, critical thinking, real-world exploration, and skill development. Discipline focuses on restorative justice, conflict resolution, and personal accountability. Our community is inclusive for those with different learning styles and learning disabilities and is open to straight, LGBTQ, and trans students of all races.

Ready to find out more?

If you feel September School may be a good private high school for your teen, chances are you are right. Please call us at (303) 443-9933 to visit and learn more.

What Our Parents, Students, & Community Say

"My kid finally comes home happy"

Parent

Finally, after all these years from middle school on, she comes home happy.

Parent

This school saved my life.

Student

Sept School Rocks! We're all one big family - everyone knows everybody and we all pick people up when they're down.

Student

Sept School Rocks! We're all one big family - everyone knows everybody and we all pick people up when they're down.

Student

September School is cool because the teachers aren't just teachers - they're students just like us.

Student

Before Sept School I was lost. Now I'm found.

Ben

This school has really helped me find myself and feel accepted.

Trevor

If September School hadn't come into our lives, I am certain my daughter would have dropped out of school altogether. I am forever grateful for how the school welcomed her into their community.

Parent