HySchool Days 2025, organized by HySchool - Norwegian Research School on Hydrogen and Hydrogen-Based Fuels, is set to take place in Porsgrunn, Norway, on 1-2 April 2025. The event is part of HySchool's mission to improve Norwegian doctoral training in hydrogen and hydrogen-based fuel use for the global energy transition. It serves as a platform for PhD candidates, researchers, and industry stakeholders to connect and exchange knowledge. The agenda includes presentations from various stakeholders such as PhD students, academic partners, collaboration partners, leading researchers, and representatives from the labour market. These presentations will focus on topical areas within hydrogen research, providing insights into contemporary research activities and industrial initiatives. HySchool, the research school behind the event, collaborates with academic institutions like UiO, UiB, UiT, UiS, USN, NMBU, and NTNU, as well as industry partners like Equinor and IFE. This initiative aims to advance knowledge and innovation in hydrogen-related fields, offering a unique networking environment for participants to engage with experts and stay informed about the latest developments in the sector.