LOL. Last year for 6th grade middle school for my daughter was a tad bit scary. Just moved, new area, new school district, new school and middle school at that! And even though we had already spent a couple days going over her schedule and the routes that would be easy for her to take, I still had to walk her to her first class for a few days. She's also easily one of the smallest kids on campus - even this year! For example, the size small gym clothes were really really baggy on her - easily two sizes too big! She's grown into them a little bit for 7th grade this year, but they are still a bit big.
Planner is a must have - with enough space to write. Post it notes with lines were a bonus for when the planner didn't have enough space.
The nice thing is that all the staff at the school totally expect new middle school students to get lost, be late or worse - ending up in the wrong class or the right class but the wrong time!
This year (7th) its not so bad. She knows what to expect this year and knows the campus now too!