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International School of Denver


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2023-24 Trimester 3 Catalog

Registration At a Glance 

  • Advanced registration is required for all Extended Day School programming. Registration is for the full trimester; drop-in and one-off signups are not available. 
    • For Trimester 2: Registration opens Wednesday, January 31 at 10:00 AM in the Parent Portal and closes Wednesday, February 7 at 11:59 PM.*
      • *Late registration fee: Registration is open for one full week each trimester. Any registrations made beyond this point will incur a $25 late registration fee.* 
    • Please note that club offerings are still subject to change.
  • Programming dates: T3 Clubs, T3 before-care, after-care, study hall and third language classes, and T3 Middle School Athletics will run Monday, February 26 - Friday, May 31. 
    • T2 clubs conclude on Friday, February 16.
  • Full policies for Extended Day School are here; major changes for the 2023-24 school year include:
    • Children who are not picked up during their scheduled pick up time (either at regular school pick-up or from clubs or After-Care session 1 at 4:45), will be taken to After Care/After-Care II, and the parents will be billed $25 for every hour or partial hour the child remains in After Care. After 5:35 PM, parents arriving late are billed an additional late charge of $5 per minute.
    • Musical instrument lesson registrations are for the entire school year, not just one trimester.
    • We’ve developed a comprehensive cancellation/late sign up/transfer policy with fees around various deadlines - see this document for more.
  • Change to K3 before- and after-care for next trimester: Starting in trimester 3, K3 children will be joining K1 and K2 in Kimak 113 and 108 for both before- and after-care. What was K3-G2 BC/AC will now just be grades 1 and 2. K1-K2 BC/AC will now become K1-K3 BC/AC.
    • The reason is to keep K3 students in Kimak as much as possible to reduce the amount of transitions for them from one building to another.


Full Extended Day School Guidelines and Logistics

Parent Portal

Trimester 3 Clubs (3:45 - 4:45 PM)

Language Exam Prep Courses

For students in the Spanish program looking to prepare for the DELE exam (G6-G8), and for Chinese program students to prepare for the YCT/HSK exam (G1-G8). Sign up through the Clubs Registration form when it opens on January 31!

Small Group Music Lesson

A new option for G3-G8 students, for Trimester 3 only!

Before-Care, After-Care, Study Hall and Third Language

Middle School Athletics (Grades 6, 7, 8)