From this page you can download different professional business plan templates you can use in your education
It is easy to find the business plan templates you need for your your students.
Easy to understand overview: 9 steps to startup a small business.
If you just have a few customers and suppliers you should download a 14 days free accounting software from Billy. In 14 days you will learn a lot about accounting in your new business. A great way to learn business administration.