STEM After-School Programs in Colorado
Junely tracks 71 STEM after-school programs across Colorado — fall 2026 schedules captured June 25 – August 25, 2026.
71 programs43 open now$46–$215ages 3–23captured June 25 – August 25, 2026
Adventures in STEM - Olander (Fall 1)
Play-Well TEKnologies
Grades K-3 · Thu 2:28-3:58pm (Sep-Oct)
OpenView details →Adventures in STEM - Olander (Fall 2)
Play-Well TEKnologies
Grades K-3 · Thu 2:28-3:58pm (Nov-Dec)
OpenView details →Adventures in STEM - Shepardson (Fall 1)
Play-Well TEKnologies
Grades K-3 · Thu 3:43-4:45pm (Sep-Oct)
OpenView details →Adventures in STEM - Shepardson (Fall 2)
Play-Well TEKnologies
Grades K-3 · Thu 3:43-4:45pm (Nov-Dec)
OpenView details →Adventures in STEM - Tavelli (Fall 1)
Play-Well TEKnologies
Grades K-5 · Tue 3:10-4:40pm (Sep-Oct)
OpenView details →Adventures in STEM - Tavelli (Fall 2)
Play-Well TEKnologies
Grades K-5 · Tue 3:10-4:40pm (Nov-Dec)
OpenView details →Adventures in STEM - Werner (Fall 1)
Play-Well TEKnologies
Grades K-3 · Tue 3:45-5:15pm (Sep-Oct)
OpenView details →Adventures in STEM - Werner (Fall 2)
Play-Well TEKnologies
Grades K-3 · Tue 3:45-5:15pm (Nov-Dec)
OpenView details →Adventures in STEM (LEGO) - Bacon Elem
Play-Well TEKnologies
Grades K-2 · Mon 2:23-3:30pm (Sep-Nov)
OpenView details →Adventures in STEM (LEGO) - Zach Elem
Play-Well TEKnologies
Grades K-1 · Mon 2:23-3:45pm (Sep-Nov)
OpenView details →After School Robotics Program
Aspen Science Center
Grades 3-4 · TBD (4 sessions) · Free
OpenView details →After School STEM Programs
Aspen Science Center
Grades K-8 · After school hours · Free
OpenView details →After-School Program
Code Ninjas
Ages 5-14 · Weekday afternoons after school
OpenView details →After-School Programs (Adventures in Electricity, Physics, Astronomy, Chemistry, Robotics, Biology, Engineering)
Mad Science
Grades K-6 (Robotics grades 3+) · Weekly, 1-hour class per week (4-12 week sessions), held on school grounds
OpenView details →AI Studio (custom learning path)
iCode School
Flexible, start anytime
OpenView details →Aspen Science Center
Aspen Youth Center
Grades K-5 · Thursdays, 2-3pm · Free
OpenView details →Belt Program (STEM belts, coding & robotics)
iCode School
Ages 5-13+ · Weekly after school
OpenView details →Birthday Parties
Snapology
All ages (kids) · By appointment
OpenView details →Birthday Parties
Mad Science
Ages 5-11 · By appointment / scheduled
OpenView details →Brick Model Building
Bricks 4 Kidz
3-5 Years
OpenView details →Camps (seasonal coding & robotics day camps)
Code Ninjas
Ages 5-14 · Day camps during summer, winter, and spring breaks
OpenView details →Camps & Workshops (incl. Summer Camps)
Snapology
Ages 4-14 (camps primarily 5-12) · School breaks and summer; weekly half-day / multi-day camps and one-day workshops · Half-day camps from $215/week; one-day workshops from $250 (varies by location)
OpenView details →Clubs (team-based collaborative projects)
Code Ninjas
Ages 8-14 · Scheduled club sessions (varies by center)
OpenView details →Code Ninjas CREATE (belt-based coding / game development)
Code Ninjas
Ages 8-14 · Weekly, by appointment (flexible drop-in sessions during center hours, ~Mon-Sat after school)
OpenView details →Code Ninjas JR
Code Ninjas
Ages 5-7 · Weekly, by appointment (drop-in after school / weekend session times set by each center)
OpenView details →Digital Art & Stop Motion Mash-Up
Washington Heights Arts Center
Ages 6-12 · $46 - $60
OpenView details →Drop-In STEM Activities
Aspen Science Center
Ages 5-18 · Thursdays at 4pm · Free
OpenView details →Explore Coding (Spike Prime) - Bacon Elem
Play-Well TEKnologies
Grades 3-5 · Mon 2:23-3:30pm (Sep-Nov)
OpenView details →Membership (one weekly class included)
Snapology
Ages 4-14 · One class per week
OpenView details →Minecraft Master Engineering - Bennett
Play-Well TEKnologies
Grades K-5 · Thu 3:30-5pm (Sep-Oct)
OpenView details →Pokemon Master Engineering - Bennett
Play-Well TEKnologies
Grades K-5 · Thu 3:30-5pm (Nov-Dec)
OpenView details →Preschool STEAM
Snapology
Ages ~3-5 (preschool) · Weekly classes
OpenView details →Robotics
Bricks 4 Kidz
7-9 Years
OpenView details →Scratch / Spike Prime
Bricks 4 Kidz
9+ Years
OpenView details →Scratch Coding
Bricks 4 Kidz
7-9 Years
OpenView details →STEM Clubs at Rifle Middle School
Aspen Science Center
Grades 6-8 · After school hours · Free
OpenView details →STEM Discovery - Resurrection Christian
Play-Well TEKnologies
Grades K-2 · Mon 3:30-5pm (Sep-Nov)
OpenView details →STEM FUNdamentals (LEGO) - Beattie Elem
Play-Well TEKnologies
Grades K-5 · Thu 3:45-5:15pm (Sep-Nov)
OpenView details →STEM Innovations - Resurrection Christian
Play-Well TEKnologies
Grades 3-5 · Tue 3:30-5pm (Sep-Dec)
OpenView details →STEM Innovations (LEGO) - Zach Elem
Play-Well TEKnologies
Grades 2-5 · Wed 2:23-3:45pm (Sep-Nov)
OpenView details →Summer Camps
Mad Science
Ages 5-11 · Full-day and half-day options, weekday sessions
OpenView details →Video Game Design
Bricks 4 Kidz
7-9 Years
OpenView details →Weekly STEAM / Robotics & Coding Classes (after-school & community enrichment)
Snapology
Ages 4-14 · Weekly classes at community locations (after school / scheduled sessions)
OpenView details →Adventures in Electricity
Mad Science of Colorado
Grades K-6 · Weekly 1hr, after school
View details →Astronomy
Mad Science of Colorado
Grades K-6 · Weekly 1hr, after school
View details →Biology
Mad Science of Colorado
Grades K-6 · Weekly 1hr, after school
View details →Calling All Coders (LEGO Spike)
The Powerhouse
Elementary · Weekdays after school · Free
View details →Chemistry
Mad Science of Colorado
Grades K-6 · Weekly 1hr, after school
View details →Colorado Math Circle (Galois MS / Euler HS groups, ARML, afterschool)
Colorado Math Circle
middle and high school (approx. 11-18)
View details →Colorado MATHCOUNTS Competition Program
Colorado MATHCOUNTS
middle school, grades 6-8 (approx. 11-14)
View details →Denver Math Club (MATHCOUNTS & AMC 8 prep)
Denver Math Club
elementary and middle school (approx. 8-14) · Free
View details →Destination Imagination
The Powerhouse
View details →Drone Soccer
Boys & Girls Clubs of the Pikes Peak Region
View details →Engineering
Mad Science of Colorado
Grades K-6 · Weekly 1hr, after school
View details →Esports Camps, Workshops & Tournaments
South Suburban Parks and Recreation
View details →eSports Leagues & Tournaments
YMCA of Metro Denver
12-18
View details →FIRST LEGO League Teams
The Powerhouse
Elementary
View details →Grow with H2O Hydroponics Program
Mad Science
Elementary · 12-week sessions
View details →In-School Field Trips & Custom Events / Assemblies
Snapology
Groups/organizations (ages 4-14) · Customizable, by arrangement
View details →In-School Workshops
Mad Science
Preschool and elementary · Single-session, curriculum-correlated, by appointment
View details →Maker Camp
Pikes Peak Library District
13-18 · Free
View details →On-Site STEAM Enrichment
Riverside Education Centers
Grades 1-12 · Weekdays after school
View details →Physics
Mad Science of Colorado
Grades K-6 · Weekly 1hr, after school
View details →Robotics
Mad Science of Colorado
Grades 3+ · Weekly 1hr, after school
View details →STEAM
DPS Discovery Link
Grades K-5
View details →STEAM After-School — Animas Valley Elem
The Powerhouse
Grades 1-5 · Wed 2:30-4pm · Free
View details →STEAM After-School — Florida Mesa Elem
The Powerhouse
Grades 1-5 · Tue 2:50-4pm · Free
View details →STEAM After-School — Fort Lewis Mesa Elem
The Powerhouse
Grades 1-5 · Thu 2:30-4pm · Free
View details →The Soifer Mathematical Olympiad
University of Colorado Colorado Springs
grades 5-12 (approx. 10-18) · Free
View details →Youth Esports League
XP League Aurora
7-17
View details →Youth Esports Team Training
Valhallan Broomfield
7-17
View details →Frequently asked
What STEM after-school programs in Colorado are open right now?
As of the June 25 – August 25, 2026 capture, Junely lists 71 STEM after-school programs in Colorado, of which 43 are open for enrollment. Statuses were captured June 25 – August 25, 2026 from each provider's published fall 2026 schedule.
How much do STEM after-school programs cost in Colorado?
STEM after-school programs in Colorado on Junely range from about $46 to $215, with a median around $215. Prices come from each provider's published fall 2026 schedule, captured June 25 – August 25, 2026.
Are there STEM after-school programs in Colorado for a 10-year-old?
Yes. 47 of the 71 STEM after-school programs in Colorado accept 10-year-olds. Filter by age on Junely to see live availability for your child's age.