Registrations for the qiskit global summer school are reported to be closed, although the year of the event is unclear, with different sources referencing 2024, 2025, and 2026. The school appears to be related to quantum computing and has been held in previous years, with 2023 and 2024 mentioned as past events. The qiskit global summer school may be part of a broader series of events and educational opportunities focused on quantum computing.