Do students in krakow start school at the same time as Seattle?

No, students in Krakow, Poland and Seattle, Washington do not start school at the same time. Krakow is in the Central European Time zone (CET), which is 8 hours ahead of Pacific Standard Time (PST), which Seattle observes. Even during Daylight Saving Time (when Seattle is on PDT), the difference is still 7 hours.