After successfully brewing an introductory boil-curing potion for Zygmunt's house elf, the student finds that they have somehow been entered into the Wizarding Schools Potions Championship, a septennial contest between students from magic schools across the globe.
They have somehow been entered into the Wizarding Schools Potions Championship from magic schools across the globe. The student finds this. This is after successfully brewing an introductory boil-curing potion for Zygmunt's house elf. The Wizarding Schools Potions Championship is a septennial contest between students.