STEM After-School Programs in Denver, Colorado
Junely lists 40 STEM after-school programs in the Denver metro area — fall 2026 schedules captured July 28, 2026.
40 programs30 open now$117–$215ages 4–17verified July 28, 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 →Chess Club - American Academy Castle Pines
PALS Chess Academy
Weekdays before/after school
OpenView details →Chess Club - American Academy Lincoln Meadows
PALS Chess Academy
Weekdays before/after school
OpenView details →Chess Club - American Academy Motsenbocker
PALS Chess Academy
Weekdays before/after school
OpenView details →Chess Club - C2E (Challenge to Excellence)
PALS Chess Academy
Weekdays before/after school
OpenView details →Chess Club - Challenge School
PALS Chess Academy
Grades K-4 · Weekdays before/after school
OpenView details →Chess Club - Deer Creek Middle School
PALS Chess Academy
Middle school · Weekdays before/after school
OpenView details →Chess Club - Dr. Justina Ford Elem (Mon)
PALS Chess Academy
Grades K-2 · Mondays
OpenView details →Chess Club - Dr. Justina Ford Elem (Thu)
PALS Chess Academy
Grades 3-5 · Thursdays
OpenView details →Chess Club - Eldorado Elementary
PALS Chess Academy
Elementary · Weekdays before/after school
OpenView details →Chess Club - Lenski Elementary
PALS Chess Academy
Elementary · Weekdays before/after school
OpenView details →Chess Club - Manning School
PALS Chess Academy
Weekdays before/after school
OpenView details →Chess Club - Mountain Peak Elementary
PALS Chess Academy
Elementary · Weekdays before/after school
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 →Colorado Springs Chess Club for Kids
Summit School of Chess
Grades K-12 · Thu 4:30-5:30pm · $117/9 wks
OpenView details →MasterMind Chess Clubs
PALS Chess Academy
Weekdays before/after school
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 →STEM Programs
Boys & Girls Clubs of Metro Denver
K-12 · Weekdays after school
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 →Engineering
Mad Science of Colorado
Grades K-6 · Weekly 1hr, after school
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 →Frequently asked
What STEM after-school programs in the Denver metro area are open right now?
As of July 28, 2026, Junely lists 40 STEM after-school programs in the Denver metro area, of which 30 are open for enrollment. Statuses were captured July 28, 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 $117 to $215, with a median around $215. Prices come from each provider and are verified by date.
Are there STEM after-school programs in the Denver metro area for a 10-year-old?
Yes. 23 of the 40 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.