STEM After-School Programs in Denver, Colorado
Junely lists 33 STEM after-school programs in the Denver metro area — fall 2026 schedules captured June 25 – August 25, 2026.
33 programs16 open now$46–$215ages 3–19captured June 25 – August 25, 2026
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 →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 →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 →Membership (one weekly class included)
Snapology
Ages 4-14 · One class per week
OpenView details →Preschool STEAM
Snapology
Ages ~3-5 (preschool) · Weekly classes
OpenView details →Summer Camps
Mad Science
Ages 5-11 · Full-day and half-day options, weekday sessions
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 →Chemistry
Mad Science of Colorado
Grades K-6 · Weekly 1hr, after school
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 →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 →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 →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 →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 the Denver metro area are open right now?
As of the June 25 – August 25, 2026 capture, Junely lists 33 STEM after-school programs in the Denver metro area, of which 16 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 the Denver metro area?
STEM after-school programs in the Denver metro area 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 the Denver metro area for a 10-year-old?
Yes. 24 of the 33 STEM after-school programs in the Denver metro area accept 10-year-olds. Filter by age on Junely to see live availability for your child's age.