Share Tokyo Tech’s Data Science for Particle and Nuclear Physics 2020 (DSPN2020), a lecture and practical training series for high school students, was held on six Saturdays between October and December 2020. DSPN2020 participants on Day One The online workshops, supported by Tokyo Tech’s STEM Education for Younger Generations fund, attracted twenty-one 1st and 2nd-year high schoolers from around Japan. The aim was to introduce the group to frontline accelerator experiments, and to offer practical experience in data science through the analysis of mainly open data from recent particle and nuclear physics experiments. Lectures and exercises were provided by faculty and students specializing in particle and nuclear physics, many of whom are affiliated with Tokyo Tech’s School of Science.