The 8th International Conference on Big Data and Education (ICBDE 2025), with the overarching theme of "From Data to Insights: Leveraging Big Data in Online Education," will be held in Beijing, China from October 25-27, 2025. Sponsored by North China University of Technology and supported by Rajamangala University of Technology Krungthep, Thailand, this premier event aims to discuss the latest advancements in big data and its applications in education. Since its inception in 2018, ICBDE has successfully held seven editions in various locations, attracting nearly five hundred experts and scholars from around the world. With a strong industry expert committee and renowned experts sharing their latest research results and experiences, ICBDE 2025 is poised to be a significant platform for shaping the future of online education in the era of big data.