"The GPS stopped reporting back in September and everyday since I have been checking, as have the students, and then suddenly on Monday, Jan. 31 a location popped up after four months of quiet," Educational Passages Executive Director Cassie Stymiest told WMUR-TV.
The boat, dubbed Rye Riptides, was off the coast of Norway when Stymiest got a signal from the GPS.
Karel Nuncic, the Norwegian sixth-grader who found the boat with his family, took it to his school, Smola Primary School.
The Norwegian students noted the boat was damaged and encrusted with barnacles, but when they opened it up they found its cargo -- photos, letters and trinkets placed by Rye Junior High School students -- was intact and undamaged.
The U.S. Embassy in Oslo said the Norwegian students are planning to write back to their New Hampshire counterparts, and teachers said the two classes will have an opportunity to talk directly in a video call later this week.