What’s Different About STEM Child Care

Learn More About STEM Child Care, Castle Rock


STEM Child Care Castle Rock has been providing exceptional early education since 2018. At STEM, we know that choosing the right early learning center is one of the most important decisions a family can make. That’s why, since 2018, more than a thousands families in Castle Rock have trusted us to provide a warm, dependable, and high-quality child care experience—where children feel safe, supported, and inspired to grow. With a focus on nurturing relationships, STEM-based learning, and a structured yet joyful environment, we’re here to partner with your family every step of the way—from your child’s very first day through Pre-K graduation.

Built By One Family, With All Families In Mind.


STEM Child Care Castle Rock was founded with a clear mission: to raise the bar for early education in Castle Rock by combining warmth, structure, and meaningful learning. Long before our children were born, we saw the need for a preschool where families felt truly supported—and where children could thrive socially, emotionally, and academically. Today, we’re proud to see that vision come to life every day through the families who walk through our doors, the teachers who lead with heart, and the students who leave more confident and curious than when they arrived.

Not Just “Daycare” – A Launchpad for Learning.


  • STEM-Integrated Curriculum: Hands-on science, math, and problem-solving woven into daily play.
  • Warm, Skilled Educators: At STEM Child Care Castle Rock, we constantly seek out the most passionate teachers trained in early childhood development.
  • Safe & Secure Facility: Clean, modern classrooms and rigorous safety practices.
  • Strong Parent Partnerships: Open communication, daily updates, and flexible scheduling.

Meet The Parents Who Built STEM


From our family to yours, at STEM Child Care Castle Rock we are dedicated to hiring the best educators, who bring decades of experience in early childhood education. More than that, at the heart of everything we do, we are dedicated parents to our two young children. We are committed to providing a loving, positive, and learning-driven environment to every family who attends our preschool.

Ashlyn Leidy, Co-Owner of STEM Child Care in Castle Rock, CO.
Ashlyn

Ashlyn combines her professional experience in corporate sales with a genuine passion for early childhood education. As a mom of two young children and someone who has worked directly in the classroom, Ashlyn understands what families need most—safe environments, responsive teachers, and clear communication from day one. She holds a Bachelor’s Degree in Exercise Science from FAU and brings over five years of hands-on experience in early childhood education, alongside a strong background in customer service and relationship management. Ashlyn personally guides families through the enrollment process, taking time to understand their needs and ensuring every parent feels informed, welcomed, and confident in their decision to join the STEM community.

Colin Stewart, Owner of STEM Child Care in Castle Rock, CO.
Colin

Colin leads with a focus on safety, structure, and quality education. With over 20 years of leadership experience across business, finance, and early education and degrees from Princeton, Columbia, and Dartmouth, Colin has built a program that combines hands-on STEM learning with a nurturing environment families can trust. He oversees all aspects of school operations—from hiring and curriculum to compliance and safety—ensuring that every child receives consistent, high-quality care. As a member of Colorado’s Rules Advisory Council and the EPIC Board of Directors, Colin actively helps shape early childhood policy statewide, giving STEM families confidence that their school is led by someone who understands both the classroom and the broader system that supports it.

We’ve Been Voted Best Child Care in Castle Rock, Three Years In A Row!


STEM Child Care wins 2024 Quality Business Award for Best Child Care Center in Castle Rock, CO.
Quality Business Awards 2026 Winner STEM Child Care Castle Rock
STEM Child Care wins 2025 Quality Business Award for Best Child Care Center in Castle Rock, CO.
Quality Business Awards 2026 Winner STEM Child Care Castle Rock

Come See What Makes STEM Different


There’s no better way to understand our approach than to experience it for yourself. During your personal visit, you’ll walk through our uniquely designed classrooms, meet our passionate teachers, and see how we nurture curiosity, confidence, and growth in every child. Whether you’re exploring infant care or preparing for Pre-K, we’re here to help you make a confident, informed decision for your family’s future.

Got questions? We’re Here to Help!


Submit the form below and we’ll email you our free parent guide answering:

– What to expect during your first visit

– Our curriculum and teacher qualifications

– Tuition and availability for your child’s age group

Parent Name
Consent for SMS