Activities & Clubs

There are many extracurricular activities offered to students at CJMS. Check for the contact and meeting information.  Most activities will take place on Tuesday, Wednesday or Thursday from 3:10 until 4:20.  Our After School Activity Bus (see schedule on bottom of page) will run each day at 4:30 to take students home. 
If you have questions you can reach the main office or Mr. Andrew Lee for assistance.

Details below are from a previous school year.  The details for 2021-2022 will be updated over time during SEPTEMBER 2021.   Only activities with this symbol identification New are 'new' for this 201-2022 school year.

After School Activity Calendar      bus icon Activity Bus Dates and Routes

CJMS After School Activities 2021-2022


Jan - Mar


PTSA Flex Academies

Parent Sponsored Activities




Short Description


How do I join?


Contact for more Information 


Best Buddies:

National fellowship and service group, CJMS chapter

Details and Membership Application

Claudia Rabie     

JT Twigg  Jocelyn Causey


9/25, 10/23, 11/20, 12/18, 1/22, 2/26, 3/25, 4/29, and 5/27

Book Wars: New
A competitive reading program that promotes teamwork and sportsmanship.  
Printable flyer

Visit the LMC to pick up an application.

Applications due: Friday, October 1, 2021

Sheri Massey
Kelley Knox 

Justine Levine

Meeting Dates: Every other Wednesday (October - April) beginning October 27th.

Competition Date:  TBD

Green Team:New

Recycling and Energy Saving work and service group

Details and Permission Form

Maura Hinkle  


Oct-May- Every other Wednesday beginning Oct 6th

Homework Club:New

Drop-in Club to provide academic help from tutors and teachers.

Drop-In anytime




Thursday: Yi-Chun Lin Room 2231

Tuesday, Wednesdays & Thursdays

Intramural Sports:

Sports club where students can play different sports with peers.  Different sports run on different days - listen to announcements.

Sign up in advance to attend - Contact Sponsor

Dave Blumenthal  


TBD for each sport

October - May

1 or 2 times a week

Invent the Future:

STEM club for students who want to compete in the competition, partnered with Kid Museum.

Consult  Sponsor

Kamini Kumar  



Low Brass Club:

Instrument club for students interested in playing Low Brass and want to practice technique. 

Contact Sponsor - Tryout process

7-8 grades in Fall, add 6th grade in Spring

Scott Cameron

Room 1141

Starts Sept 1 

8th GradeThursdays

7th Grade Tuesdays

Math Team:New

CJMS Math Competition Team that competes with other Middle School Teams through the winter. 

Sign Up to try out for the CJMS Math Team!

Tryout process for all participants 

Try-Outs Sept 29th


Katy Litzinger  

October - February

Twice a month Room 1227

Minority Scholars Program (MSP): New
The Minority Scholars Program is a student leadership group aimed to give voice to our students. At the student-led meetings, discussions take place around local, global, community, and school current events.

Drop-in to any meeting - Contact Sponsor

Aly Allen

Joanne D’Souza


No Place for Hate:

School-wide group that works to create a positive and respectful culture at Cabin John.  All are welcome.

Volunteer for Committee - Contact Sponsor

Jocelyn Causey


October - June

4 Days/Month

 Student Gov’t Association (SGA): Student Leadership group that works on events and school-wide programs.  Both elected officers and volunteers from every grade participate.

Elections for officers, Drop-in anytime - Contact Sponsor

Melissa Keller

Meetings will be every other Thursday after school, 3:15-4:15 in room 2221

Meeting Dates & Events


Additional Activities Still to be Scheduled: These will be scheduled and promoted once the final dates and sponsors have been determined 

CJMS Spring Musical: students audition, rehearse and perform a musical

CJMS Showcase: students audition, practice and then showcase their many and varied talents (dance, singing, comedy, magic, performances, etc.) 

Fall- School Sponsored Activities


Short Description


How do I join?


Contact for more Information


Girls on the Run New

Registration begins Tuesday, August 10th @ 9am and ends September 24th.
Register online

Lauren Rogers
Victoria Barry

Practices are every Tuesday/Thursday from 3:15-4:30 pm on CJMS's tennis courts.

Our season begins Tuesday, September 14th, and will culminate in a 5K run on Sunday, November 21st at Westfield Montgomery Mall (Run start time: TBD).

CJMS Softball-Boys: New

School team

Tryouts required - 7th and 8th grade students only

Linn Kanon

See Schedule

CJMS Softball-Girls:New 
School team

Tryouts required - 7th and 8th grade students only

Kelly Seiber

See Schedule

CJMS Cross Country: New
School team

Tryouts required - 7th and 8th grade students only

Vicki Mihailidis

See Schedule

Fall- School Sponsored Activities



 PTSA Sponsored Fall CLASSES  
provided by Flex Academies 

Classes begin on October 5th.  Each class meets one day a week for 8 weeks. 
Registration Open:  September 15 -26  Register at:

Flex Academies Contact:  Phone#:  (240) 654-0877
Print Fall 2021 Schedule and Fall 2021 Course Descriptions




Jr. CEO:  Spalr Business Academy TBA Tuesday
Pottery for Kids TBA Tuesday
Ultimate Frisbee TBA Wednesday
Sports Management TBA Wednesday
Med School for Kids TBA Thursday
Improvisation TBA Thursday

Fall- Flex Academy Classes -    Fall






Mathcounts New

Wenjun Hu

Tentative test date of 9/24, Friday starting at 3:10 pm. in the cafeteria
Tryout Registration 

Email your Questions

For students qualified into the club, weekly or biweekly meetings will be held Oct – Mar, Sundays 9am-11am.  

Model UN New

Audré Park  

Model UN Registration

(Thursdays at 3:15 - 4:15pm)

Fall Session (8 weeks): 
October 7, 14, 21, 28, 
November 11, 18
December 2, 9

Winter Session (8 weeks): 
January 6, 13, 20, 27
February 3, 10, 17, 24

Spring Session (8 weeks): 
March 3, 10, 17, 24, 31
April 7, 21, 28

Odyssey of the MindNew

Ilayda Dogan
Gunay Dogan

OotM Registration
Virtual info night 8 pm, 9/22: meeting link
Fridays 3:00 - 4:30 pm at CJMS

Science Bowl 

Jon Sieg

Wednesdays, Sept 18-Mar 7
Room 2227



Monday-Friday ViewCJ Activities Google Calendar


 General After School Activity Information

Activity Bus Dates  

MCPS Academic Eligibility
MCPS After-School Rules

Bus Route Information

MCPS After-School Rules


Bus Information and Policy:

1) The after school bus should only be used by students who stay in an after school activity. Students may NOT stay after school unattended and then ride the after school activity bus.

2) Please remember to pick up your child in front of the school on the left side of the main driveway. The activity buses will load students on the right side of the driveway.

3) The after school activity bus stops have changed. The scheduled stops are listed above as Bus Route Information.