Lessons: importance (e.g., health), alternatives, zero waste, composting, animal rights, tree planting
Lessons: gender equality, feminism, racial equality, resolving conflicts, respect, different religions and beliefs, different cultures, student exchange programs
Lessons: tidying up, cleaning, cooking, sewing, minimalism
Lessons: nutrition, exercise (physical education), sleep, whole food, healthy eating, hydration, mental health, community and social life
Lessons: saving, earning, investing, budgeting, spending
Lessons: causes, organizations/foundations (also how to start one), volunteer work
Lessons: grammar, punctuation, reading, writing, dictionaries, foreign language, different cultures
Lessons: addition, subtraction, multiplication, division, calculators
Lessons: important historical events and locations, inventions, inventors, artists, recognizing that history differs in each country
Lessons: figuring out one's purpose, passion, interests, hobbies, job searching, job interviews, taxes