Utah Curriculum Resources has many lessons on topics from accounting to business applications. Each lesson provides worksheets to learn the material and links to other activities and quizzes
Junior Achievement provides numerous informational videos and activities. There are many downloadable worksheets that teach about economics and entrepreneurship.
VentureLad is a nonprofit organization that helps students gain entrepreneurial skills, students achievement, and postsecondary readiness. Offers a free curriculum that teaches about entrepreneurship.
The Conrad Challenge is a competitions where teams of students age 13 - 18 identify and create solutions to important issues in the world of different categories.
Lemonade Day is an online competition where students submit a business goals and lemonade stand worksheet describing their goals and designs. The winner receives a $100 cash prize.