How to Participate
Mystery Class Participation Guide Mystery Class is a global game of hide-and-seek. Students track seasonal changes in sunlight and then investigate other clues to find ten secret sites around the world. Guide includes instructions and handouts.

Participation Guide
See pgs. 7 - 9 for Data Sheet and Graph

Please note: Oour spring 2020 Mystery Class challenge is a replay of a previous year's challenge. We will reveal the locations of the 10 Mystery sites on Monday, April 13th but will not hold a year-end contest.