August 28, 2023 - September 1, 2023 Term 1 Preparation Week for 2023/2024 School Year Qosmo International School Petaling Jaya
September 2, 2023 Parents Orientation for 2023/2024 School Year Qosmo International School Petaling Jaya
September 28, 2023 Birthday of the Prophet Muhammad (Mawlid) Qosmo International School Petaling Jaya
November 13, 2023 - November 14, 2023 Deepavali Days in Lieu Qosmo International School Petaling Jaya
