OST Afterschool Clubs

Session 1 (Fall 2026) Registration opens on 9/11/26 at 5pm.
To view the Fall Catalog or register for a Club, please visit the district's Arbiter registration page. (Scroll down for registration instructions).

 

Overview

Clubs are open to any eligible SPS students who are not enrolled in SPS Community Schools, El Sistema, or Apollo programs on the same day. Clubs are run at schools by trusted vendors in three seasonal sessions during the school year.  

  • Clubs typically meet for one hour per week beginning at school dismissal time and do not provide full afterschool care coverage.
  • Students will transition directly from their classrooms to meet with their designated instructor.
  • Students will be dismissed from the main office entrance.
  • A minimum of 5 students must enroll in each club for it to run.

OST Club Descriptions

Please note that some clubs may not be available in every session or at every school.  

Ballet Rox introduces students to many forms of dance and welcomes students of all levels. No experience necessary and beginners are welcome. No special shoes or attire required. 

Buildwave provides new building challenges each week that will help kids develop creativity and resilience. 

CHA Teen Health Advisory Club for grades 7 and 8 focuses on adolescent health, community, and advocacy.

Chess Wizards Check mate! Youngsters learn to play chess. 

Danger Wizard Calling all heroes Grades 6-8! Unleash your imagination and embark on a thrilling adventure with Danger Wizards! Get ready for an epic journey filled with magic, monsters, and endless fun. Join us and discover the amazing world of D&D and imagination! 

Environmental Leadership Program helps students enjoy time outdoors and off their devices. 

Girlstart encourages 4th and 5th grade girls (but all are welcome) to have fun with STEM concepts and learn more about awesome STEM careers. 

Girls, inc. embolden youth to use their voices to advocate for themselves and their interests through mentorship, academic interests, and career exploration. 

Kids in Nutrition is a nutrition and food sustainability education program for elementary school students led by current Tufts undergrads; KIN is designed to improve nutrition and food sustainability knowledge to help inspire healthy habits in kids :) Our curriculum is created by nutritional experts from our national organization and includes fun activities to keep the kids engaged while learning.

Kids in Tech helps students explore technology through working on interactive projects, nurturing creativity, and participating in teamwork. 

Pretzel Kids introduces yoga and mindfulness to children in a fun and interactive way, which helps children build strength, flexibility, concentration, balance, and more. 

Somerville Robotics League is a school-based intramural robotics program, SRL uses LEGO SPIKE Prime robot kits for a series of activities and trainings before high school student coaches unveil the annual game. At the end of the program, all teams compete at Somerville High School in the game challenge or showcase their innovation project. The program runs in the fall and serves Grades 5 thru 8. SRL meets once per week after school.

Spanish Fun helps students learn through playing, singing, dancing, and pretending. Students will begin to develop confidence talking, reading, and writing in Spanish playing games with the parachute and having "Special Activities" which are 100% hands-on learning experiences. 

Yoga Fun introduces students to yoga and mindfulness. 

 

Instructions for online registration

Registration for OST Clubs will be through the Arbiter Registration system. The Arbiter Registration site offers translation into multiple languages. However, if you need assistance with registration, please make an appointment with your family liaison. 

Please allow 5-10 minutes to register each child for a club and follow the instructions below. 

Set up an account 

  1. Click on this link: https://account.students.arbitersports.com
  2. Create your secure Arbiter Registration account by entering your name, email address, and password.
  3. Check your email inbox for an email from Arbiter Registration. The email will include a link to confirm your new account. You MUST click the link provided in your email in order to activate your Arbiter account.
  4. If you don't see the email, please check your spam or junk folders. 

Find your school’s unique registration link

  1. Click on this link: https://students.arbitersports.com/organizations/somerville-public-schools-out-of-school-time-programs
  2. Select your school’s unique registration link.
  3. Students may be only enrolled in clubs that take place at their school. 

Complete your child’s registration

  1. Fill out the information requested on the form. Make sure you click "save and continue” after each section.
  2. At the end of the process, click “Submit.”
  3. Once you have submitted your registration, you will receive an email to confirm your registration.
  4. You may log back into Arbiter Registration at any time to update your information or check your registrations. 

If you need assistance, call Arbiter Registration at 1-800-311-4060 or submit an online support request here. Support is available 7 days a week and messages will be returned promptly.