Afterschool Care

Afterschool Care

Registration for the new school year is now open.

(Scroll down for instructions if you are new to Brightwheel)

Sign Up for Afterschool

The program runs from September 11th 2023 – June 21st 2024, please refer to the GSM school calendar for holidays and closures. 

Unless otherwise stated, After School is for the Lower School Grades 1-5. Preschool Hort is the extended day offer for our younger students ages 3 to 5. Each afternoon offers plenty of time for free play as well as guided discovery with a different theme each day. There are some exceptions so please check the grade specifications for each program. You can always write to us if you have any questions. 

After School and Preschool Hort are open to non-GSM students as well, except for Wednesdays Homework.

Descriptions of the Program can be found here.

GSM After School @ 74 Warren Street

GSM Preschool Hort @ 85 Warren Street


After School Hours: 3:45 pm – 5:10 pm
Preschool Hort Hours: 3:45 – 5:05 pm


After School: 74 Warren Street
Preschool Hort: 85 Warren Street


$1400 per weekly activity/year.


-Once you have submitted the form we will follow up with a payment link. You will be able to pay via Credit Card or ACH online or via the app.


Please email us