December 12, 2022 Day in lieu – Birthday of the Sultan of Selangor Qosmo International School Petaling Jaya
December 24, 2022 - December 25, 2022 Christmas Eve and Christmas Day Qosmo International School Petaling Jaya
December 26, 2022 - December 30, 2022 School Office open by appointment only Qosmo International School Petaling Jaya
