<p>The BuildingBloCS June Conference is the annual flagship conference of BuildingBloCS, Singapore's largest student-run computing advocacy programme. It offers multi-day workshops and talks covering topics that change each year, designed to introduce secondary school, JC, IP, polytechnic, and international school students to computer science.</p> <ul> <li>Eligibility: any student at a Singapore secondary school, JC/IP school, polytechnic, or international school</li> <li>Duration: typically five days in mid-June</li> <li>Format: in-person, with selected hybrid sessions in recent editions</li> <li>Past editions have covered Python, AI and machine learning, web development, and computational thinking</li> <li>Free of charge; run entirely by student volunteers</li> </ul> <p>The 2025 edition ran 10 to 14 June 2025 with over 300 participants. The 2026 edition, branded June Jam, ran 8 to 12 June 2026 at NTU with game-development workshops and an optional team Game Jam; the next edition has not been announced.</p>