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International School of Denver


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2023-24 Trimester 1 Catalog

Registration At a Glance 

  • Advanced registration is required for all Extended Day School programming.
    • For Trimester 1: Registration opens Wednesday, August 2 at 10:00 AM in the Parent Portal and closes Wednesday, August 9 at 11:59 PM*.
    • Registration is for the full trimester. Drop-in and one-off signups are not available.
    • *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.
  • Trimester 1 programming dates*:
    • T1 Clubs and T1 before-care, after-care, study hall and third language classes will run Monday, August 21 - Friday, November 10. 
    • T1 Middle School Athletics will run Monday August 21 - Friday, November 3.
    • *Please note: Extended Day School is unavailable the first week of School (8/17/23-8/19/23).
  • Full policies for Extended Day School are here; major changes for the 2023-24 school year include:
    • EDS is unavailable the first week of School (8/17/23-8/19/23) and the last week of school (6/2/24 - 6/4/24).
    • Children who are not picked up during the normal school pick up time will be taken to After Care, and the parents will be billed $25 for every hour or partial hour the child remains in After Care.
    • 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.


Full Extended Day School Guidelines and Logistics

Parent Portal

Trimester 1 Clubs (3:45 - 4:45 PM)

Private/Small Group Music Lessons (K3-G8)

Please bear in mind these lessons are a commitment for the whole year. They will be paid for per trimester, but registering for these lessons is a commitment to this slot for trimesters 1, 2 and 3.

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

Middle School Athletics (Grades 6, 7, 8)