Welcome to Mathnasium of Castle Rock

Contact us

Castle Rock

  • 4714 Milestone Lane, #D
  • Castle Rock, CO 80104
  • Call (303) 663-6305

Hours of Operation

Instructional Hours

Mon-Thu 4:00PM - 7:00PM
Mon, Wed, Sat 10:00AM - 1:00PM

Office Hours

11:00AM - 7:30PM
9:00AM - 1:30PM
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Clay is a Mathnasium veteran, with a passion to help students that struggle with math. Having owned the Castle Rock location since 2018 he immediately began serving the Castle Rock community. Clay and his staff love to treat students as people and not a number, by taking the time to see them individually and cater a program to each student.

We specialize in math-only instruction with a focused, caring, and fun learning approach that delivers results.
We proudly serve local communities and schools, including:

  • Douglas County School District
  • Douglas County High School
  • Aspen View Academy
  • Academy Charter School
  • Soaring Hawk Elementary School
  • Sage Canyon Elementary School
  • Clear Sky Elementary School

Dedicated to providing the best instruction

Our instructors are enthusiastic about math and specially trained in the Mathnasium Method. They create a caring and encouraging environment where your child will learn and thrive!

Meet the Team gallery1

Instructor Spotlight

Mason James
Mason has been with Mathnasium from opening day! Chances are that you have seen him in center or online helping students crush their math homework. When he is not teaching the Mathnasium method he loves to play board games, read and play piano. Get to know Mason at our center when you come in.(...)



One-on-One Assessment

Our unique assessment pinpoints what each child already knows and what they still need to learn.


Customized Learning Plan & Goals

Our detailed plan takes your child step-by-step from where they are to where they need to go.


The Mathnasium Method™

Our proprietary curriculum and teaching method fosters skills that take hold and build upon one another.

Latest News & Posts

Math Tricks: Special Percents

Dec 20, 2022 | Castle Rock

Understanding Math Learning Gaps

Sep 12, 2017 | Castle Rock

At Mathnasium of Castle Rock we address math learning gaps. This article explains what learning gaps are and what can be done about them. What is a learning gap? A math learning gap refers to any math skill that a student should have previously mast..

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Castle Rock

4714 Milestone Lane, #D

Castle Rock, CO 80104

United States