There was a non official McDonald's game a bit like that - at least there was the cows, the restaurants, and the office (marketing etc?) to manage. Is that what you mean?

[Fast Food Tycoon?](https://en.m.wikipedia.org/wiki/Fast_Food_Tycoon) 

There was also a sequel . If this isn’t it, maybe looking for games similar to it will help you find yours.

1996-2000ish... I could be wrong about the Edu part, but I only played it in school as part of a class. Might have been browser based, but I'm not sure about that part. You had to manage all aspects of the fast food business. From staffing and how much to pay them, what to serve and how much to charge. You'd also have to raise the cows and things like that. Theres was environmental impacts too.

Old educational game about managing a Fast Food business