ISOCL 2026–27
Join the league
Register once for the 2026–27 season. New schools and players may join during the season. Finals are open only to students who played in a qualifier.
Register your player
Complete the current registration form with the correct school, campus and student name. Returning players should use the same name as their previous registration. For several players, contact SCA.
Register for 2026–27 ↗Use your ISOCL account
Follow the account instructions provided by SCA after registration. Use the organiser-provided Lichess account for ISOCL, and keep its password private.
Join your school team
Follow the team link in your registration instructions. Select the correct school/campus. If your team is missing or your account has not been accepted, contact SCA.
Join the tournament
Sign in, open the event from the schedule and click Join at least one day before it starts. Return to the tournament lobby after each game to receive your next pairing.
For schools and captains
Each school/campus has one team and may enter any number of eligible players. An adult school representative or parent captain can help coordinate registration and communication. Teams with fewer than four players may still take part.
Ready to represent your school?
Free entry · International and bilingual schools
