High School: Sample of Earthschooling High School
You can also find more updated samples on these pages:
Ninth Grade: https://thebearthinstitute.teachable.com/p/earthschooling-high-school-ninth-grade
Tenth Grade: https://thebearthinstitute.teachable.com/p/earthschooling-high-school-10th
Eleventh Grade: https://thebearthinstitute.teachable.com/p/earthschooling-eleventh-grade
Twelfth Grade: https://thebearthinstitute.teachable.com/p/earthschooling-twelfth-grade