Soroban League North America

Thank you to every student, family, and supporter who made IAC 2025 truly special! We welcomed 100 passionate participants from across the US, Japan, and Brazil. Together, we celebrated skill, friendship, fun, and unforgettable memories. Your enthusiasm made this event an inspiring celebration of learning and connection.

We are excited to announce that IAC 2026 will take place on 𝗔𝘂𝗴𝘂𝘀𝘁 𝟭𝘀𝘁 𝗮𝗻𝗱 𝟮𝗻𝗱, 𝟮𝟬𝟮𝟲, 𝗶𝗻 𝗣𝗼𝗿𝘁𝗹𝗮𝗻𝗱, 𝗢𝗿𝗲𝗴𝗼𝗻!
Details about IAC 2026 will be announced soon.

If you practice abacus and are interested in cultural exchange, mark your calendars and get ready to join a vibrant global community where numbers, culture, and friendship come together. We hope to see you there!

JAMS Japanese Abacus Math School
Wizard of Math-Abacus School-
Abacus Calgary - アバカスカルガリー
Let’s Abacus
Math Abacus School of Seattle - STEP Edu.Abacus Math Circle Socal Mental Math Education Center
Heisei Soroban Academy - 平成そろばんアカデミー
Top Abacus

Soroban Success Story!

We are thrilled to celebrate Winston Chan, a shining example of Soroban excellence in North America!

Winston has studied Soroban and Anzan for 13 years at Japanese Abacus Math School (JAMS) in Portland, Oregon, and his incredible journey was just featured in the Portland Tribune! 📰

From a quiet beginner to a confident mental math master, Winston’s story proves that long-term dedication, focus, and the power of Soroban can shape not just great students but strong individuals ready to take on the world.

We are proud to have students like Winston represent the heart of Soroban education in North America.

🔗 Learn more about our partner school: www.jamsportland.com

You don’t need an abacus to count the ways Winston Chan is amazing - The Portland Tribune (PORTLAND) — Population of Portland? Right around 630,000. Number of Portlanders who are into salmon protection, piano, motor sports and headed to Stanford University? Oh, and the abacus? That’d be Winston Chan. He’s sui generis: unique. According to Toronto Metropolitan University, an abacus ...

🌟 Soroban League North America is Proud to Celebrate One of Our Own! 🌟

Winston Chan, a senior at Jesuit High School in Portland, Oregon, and a long-time Abacus learner, has been featured by his school for ranking among the world’s top mental math performers through Abacus mastery! 🧮🔥

Winston began his journey over a decade ago at Japanese Abacus Math School (JAMS) and has developed extraordinary focus, speed, and precision through Soroban training. His story is a powerful reminder of what dedication, consistency, and the right foundation can achieve.

We proudly recognize Winston for his accomplishments and for representing the spirit of resilience, concentration, and tenacity that Soroban training instills in the next generation of global thinkers.

📖 Read the full article here:
👉 https://www.jesuitportland.org/our-community/news/news-details/~board/school-news/post/mental-math-magician-jesuit-senior-ranks-among-worlds-best-on-the-abacus

Let’s continue nurturing champions like Winston and inspiring the world through Soroban education. 🇯🇵🇺🇸🌍

2021 correspondence abacus contest was done ✅

There are over 400 students participated, and hopefully see you everyone next year !

📌Does your child depend on you to study? Tired of seeing your kid suffer with math? You can solve these problems once and for all.

We're JAMS, the Japanese Abacus 🧮 Math School, and we have more than 20 years of experience teaching kids to enjoy math and become the best math student in the class.

Visit https://www.abacusmathschool.com to learn more.